National parks: Stargazers_ROMO_Zylland - public domain image
A park ranger identifies a constellation for park visitors attending a stargazing program in Rocky Mountain National Park, Colorado.
National parks: Trailridge_Starparty_NPS_Grossman - public domain imag...
A park visitor enjoys views to the stars through a telescope at a stargazing event along Trailridge Road at Rocky Mountain National Park, Colorado.
National parks: AztecRuins_Ranger_BMFoott - public domain image
A park ranger stands inside an Ancestral Puebloan ring of stones and points his laser to a planet in the night sky at Aztec Ruins National Monument, New Mexico.
National parks: Stargazing_CataractCanyon_Canyonlands_BMFoott - public...
Park visitors enjoy an evening of stargazing in Cataract Canyon at Canyonlands National Park, Utah.
National parks: JuniorRanger_NightExplorer_NPS - public domain image
Cover view of the National Park Service Junior Ranger Night Explorer activity guide for ages 5 to 12.
National parks: TelescopeViews_ROMO_NPS - public domain image
A variety of telescopes in the foreground stand on the ready for a stargazing event, with park visitors waiting for night to descend at Rocky Mountain National Park, Colorado.