Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Dumbarton Oaks, 3101 R Street, Northwest, Washington, District of Colu...
Significance: No other property combines mansion, collections, and gardens into such an aesthetically compelling early to mid-twentieth century vision of estate living in Georgetown. Starting with the Bliss's o... More
Beall-Washington House, 2920 R Street, Northwest, Washington, District...
Significance: In 1868, the first governor of the District of Columbia, Henry D. Cooke, had erected four double houses, combining elements of the Italianate and Second Empire architectural styles. Designed by Mo... More
Beall-Washington House, 2920 R Street, Northwest, Washington, District...
Significance: In 1868, the first governor of the District of Columbia, Henry D. Cooke, had erected four double houses, combining elements of the Italianate and Second Empire architectural styles. Designed by Mo... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
Mackall Square, 1633 Twenty-ninth Street, Northwest, Washington, Distr...
Significance: Mackall Square conveys better than any other property the rural,isolated nature of residences in Georgetown Heights - the northern portion of Georgetown that was outside the early boundaries of th... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More
John Thomson Mason House, 3425 Prospect Street, Northwest, Washington,...
Significance: The grey and stately ruin which crowns the highest ridge of Theodore Roosevelt Memorial Island was once the hoe of General John Mason. Built in the last decade of the eighteenth century, this bui... More