832-196021 - Spruce Tree House, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196015 - Cliff Palace, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196020 - Kiva room for religious ceremonies at Spruce Tree House, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196013 - Cliff dwellings, Spruce Tree House, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196011 - Ladder in a Kiva room for religious ceremonies, Spruce Tree House, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196022 - Cliff Palace, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196014 - Cliff Palace, cliff dwellings, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

832-196017 - Cliff Palace, Anasazi Native American ruins, Mesa Verde National Park, Colorado, America, United States

817-440513 - Ice climbing Cornet Falls which is rated WI-4 and located in the San Jaun Mountains near the city of Telluride in southwestern Colorado.

817-440510 - Ice climbing Cornet Falls which is rated WI-4 and located in the San Jaun Mountains near the city of Telluride in southwestern Colorado.

817-440514 - Ice climbing Cornet Falls which is rated WI-4 and located in the San Jaun Mountains near the city of Telluride in southwestern Colorado.

817-440500 - Telluride, The city of Telluride framing Ajax Peak in the San Jaun Mountains in southwestern Colorado.

817-440512 - Ice climbing Cornet Falls which is rated WI-4 and located in the San Jaun Mountains near the city of Telluride in southwestern Colorado.

817-440511 - Ice climbing Cornet Falls which is rated WI-4 and located in the San Jaun Mountains near the city of Telluride in southwestern Colorado.

832-190251 - Colorado River, Moab, Utah, USA

832-190250 - Colorado River, Moab, Utah, USA

776-3928 - Interstate 8 Bridge over the Colorado River, Gateway Park, Yuma, Arizona, United States of America, North America

776-3923 - St. Thomas Indian Mission and Colorado River, Yuma, Arizona, United States of America, North America

776-3927 - Ocean to Ocean Highway Bridge over the Colorado River, Gateway Park, Yuma, Arizona, United States of America, North America

764-3866 - Mount Sneffels at first light with a dusting of snow in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

764-3868 - Wilson Peak in the fall, San Juan National Forest, Colorado, USA

764-3873 - Wilson Peak at dawn with a dusting of snow in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

764-3874 - Wilson Peak with a dusting of snow in the fall, San Juan National Forest, Colorado, United States of America, North America

764-3870 - Wilson Peak at dawn with a dusting of snow in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

764-3872 - Cascades on the Big Bear Creek in the fall, San Miguel County, Colorado, United States of America, North America

764-3871 - Falls on the Big Bear Creek in the fall, San Miguel County, Colorado, United States of America, North America

764-3903 - Frozen San Miguel River, San Miguel County, Colorado, United States of America, North America

764-3869 - Cascades on the Big Bear Creek in the fall, San Miguel County, Colorado, United States of America, North America

764-3902 - Cascades on the partially frozen San Miguel River, San Miguel County, Colorado, United States of America, North America

764-3867 - Cloud over the Sneffels Range in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

817-433218 - Dead Horse Point State Park, Utah, USA

817-431728 - USA, Utah, Colorado plateau, San Juan river, Goosenecks State Park.

817-433217 - Dead Horse Point State Park, Utah, USA

832-136181 - The Cumbres & Toltec Scenic Railroad, a narrow-gauge railroad that runs coal-burning steam engines from Antonito to Chama, New Mexico, Colorado, USA

832-136113 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136110 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136114 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136158 - The Shrine of the Stations of the Cross, sculptures by artist Huberto Maestas, on a hill above town, San Luis, Colorado, USA

832-136109 - Pine trees killed by an outbreak of mountain pine beetles which killed millions of acres of pine trees in the American west; scientists expect the problem to worsen due to global warming, because very cold weather is needed to kill the beetles, Grand Lake

832-136159 - The Shrine of the Stations of the Cross, sculptures by artist Huberto Maestas, on a hill above town, the Chapel of All Saints at back, San Luis, Colorado, USA

832-136112 - A flock of sheep on a winter pasture, San Luis Valley, Manassa, Colorado, USA, America

832-136161 - The Chapel of All Saints, at the end of a trail with sculptures showing the Stations of the Cross, on a hill above town, San Luis, Colorado, USA

832-136138 - A solar photovoltaic facility, built on top of a former landfill at the U.S. Army's Fort Carson uses contaminated land to generate renewable energy and generates 3, 200 megawatt-hours of power every year, Colorado Springs, Colorado, USA

832-136157 - The Shrine of the Stations of the Cross, sculptures by artist Huberto Maestas, on a hill above town, the Chapel of All Saints at back, San Luis, Colorado, USA

832-136111 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136178 - Cano's Castle, built by Donald "Cano" Espinoza, a Native American and Vietnam veteran who built the Christian-themed structure from beer cans, hub caps, and other scrap materials, in thanks for his life being spared in Vietnam, Antonito, Colorado, USA

832-136180 - The Cumbres & Toltec Scenic Railroad, a narrow-gauge railroad that runs coal-burning steam engines from Antonito to Chama, New Mexico, Colorado, USA

832-136137 - A solar photovoltaic facility, built on top of a former landfill at the U.S. Army's Fort Carson uses contaminated land to generate renewable energy and generates 3, 200 megawatt-hours of power every year, Colorado Springs, Colorado, USA

832-136165 - A memorial to Mexican priests who were martyred during the Cristero rebellion in Mexico in the late 1920s, San Luis, Colorado, USA

832-136167 - A memorial to Mexican priests who were martyred during the Cristero rebellion in Mexico in the late 1920s, the memorial depicts a wall used by a firing squad, with busts of the martyrs on the hillside above, San Luis, Colorado, USA

832-124370 - Stones to grind grain in Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124372 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124257 - Horseshoe Bend, a horseshoe-shaped meander of the Colorado River, Arizona, USA, America

832-124376 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124362 - Cliff Palace, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124361 - Information board at Mesa Verde National Park about the UNESCO World Heritage Site, Colorado, USA, North America

832-124373 - Ladder into an underground room, Kiwa, Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124367 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124375 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124290 - Sunrise at Grand Canyon North Rim, Toroweap Point, Arizona, USA

832-124368 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124366 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124291 - Grand Canyon North Rim, Toroweap Point, Colorado River, Arizona, USA

832-124371 - Stones to grind grain in Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124434 - Morning at Lipan Point, Colorado River, Grand Canyon South Rim, South Rim, Arizona, USA, America

832-124374 - Ladder into an underground room, Kiwa, Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124252 - Grand Canyon North Rim, Toroweap Point, Colorado River, Arizona, USA, America

832-124271 - Toroweap Point, Grand Canyon North Rim, Colorado River, Arizona, USA

832-124369 - Spruce Tree House, a cliff dwelling of the Native American Indians, about 800 years old, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, USA, North America

832-124389 - Morning at Lipan Point, Colorado River, Grand Canyon South Rim, Arizona, United States, America

832-123711 - River bend, Gooseneck, Canyon, Colorado River, Dead Horse Point State Park, Utah, USA, America

832-123710 - River bend, Gooseneck, Canyon, Colorado River, Dead Horse Point State Park, Utah, USA, America

817-426607 - United States, Utah, Canyonlands national park

832-111145 - Historic steam locomotive in Silverton, Colorado, USA

801-978 - Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America

801-974 - Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America

801-977 - Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America

801-972 - Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America

801-980 - Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America

801-969 - Mesa Verde National Park, Fire Temple, UNESCO World Heritage Site, Colorado, United States of America, North America

801-973 - Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America

801-976 - Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America

801-970 - Mesa Verde National Park, Fire Temple, UNESCO World Heritage Site, Colorado, United States of America, North America

801-975 - Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America

801-971 - Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America

801-979 - Mesa Verde National Park, Cliff Palace, UNESCO World Heritage Site, Colorado, United States of America, North America

832-67323 - A park ranger watches as visitors climb a ladder to enter the Balcony House cliff dwelling at Mesa Verde National Park, featuring cliff dwellings of ancestral Puebloans that are nearly a thousand years old, Cortez, Colorado, USA

817-422330 - Havasu Creek is a side stream to the Colorado River in the interior of the Grand Canyon

832-67313 - The Manitou and Pikes Peak Railway on the summit of Pikes Peak; the cog railway takes tourists to the top of the 14, 100-foot mountain, Colorado Springs, Colorado, USA

832-71143 - Canyonlands National Park with the confluence of Colorado River and Green River, bird's eye view, Utah, USA

817-422317 - The Colorado River meandering through the Marble Canyon section of Grand Canyon National Park with barrel cacti in foreground

817-422331 - The Colorado River meandering through the Marble Canyon section of Grand Canyon National Park

817-422318 - Ancient Anaszi ruins high above the Colorado River in the Marble Canyon section of Grand Canyon National Park

832-78089 - The Hoover Dam the US-93 highway bypass above the Colorado River, Boulder City, Nevada, USA

832-71142 - Cliff Palace, Mesa Verde National Park, Colorado, USA

832-78103 - The Colorado Rockies play the Washington Nationals in a baseball night game at Coors Field, Denver, Colorado, USA

832-67315 - The Manitou and Pikes Peak Railway near the summit of Pikes Peak; the cog railway takes tourists to the top of the 14, 100-foot mountain, Colorado Springs, Colorado, USA

832-67324 - A park ranger climbs a ladder to enter the Balcony House cliff dwelling at Mesa Verde National Park, featuring cliff dwellings of ancestral Puebloans that are nearly a thousand years old, Cortez, Colorado, USA

832-67314 - The Manitou and Pikes Peak Railway near the summit of Pikes Peak; the cog railway takes tourists to the top of the 14, 100-foot mountain, Colorado Springs, Colorado, USA

832-67325 - Visitors tour the Spruce Tree House cliff dwelling at Mesa Verde National Park, featuring cliff dwellings of ancestral Puebloans that are nearly a thousand years old, Cortez, Colorado, USA