1311-650 - The Horse Collar Ruins located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1311-649 - The Horse Collar Ruins located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1311-648 - The Horse Collar Ruins located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1311-647 - The Horse Collar Ruins located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1311-646 - The Horse Collar Ruins with a sign warning to not disturb them due to instability, located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1116-51023 - Petroglyphs on volcanic rock in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51029 - Petroglyphs on volcanic rock with sagebrush in the background, Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51028 - Petroglyphs on volcanic rock with sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51021 - Petroglyphs on volcanic rock surrounded by sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51025 - Petroglyphs on volcanic rock with sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51026 - Petroglyphs on volcanic rock with sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51024 - Petroglyphs on volcanic rock with sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51027 - Petroglyphs on volcanic rock with sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51030 - Petroglyphs on volcanic rock in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1116-51022 - Petroglyphs on volcanic rock surrounded by sagebrush in Piedras Marcadas Canyon, Petroglyph National Monument on a sunny, spring afternoon; Albuquerque, New Mexico, United States of America
1350-3771 - Local Girl in Tikal Pyramid ruins (UNESCO site), Guatemala. Great Jaguar Temple (Temple I) Pre-Columbian Maya Site at Tikal, El Peten National Park, Guatemala, a UNESCO World Heritage Site
1350-3772 - Tikal Pyramid ruins (UNESCO site), Guatemala. Great Jaguar Temple (Temple I) Pre-Columbian Maya Site at Tikal, El Peten National Park, Guatemala, a UNESCO World Heritage Site
1116-48522 - Window, Four Windows Ruins, Ancestral pueblo, up to 1000 years old, Lower Fish Creek, Bears Ears National Monument, Utah, United States of America
1311-130 - Panorama of the San Francisco Peaks north of Flagstaff, viewed from the Citadel Ruins in Wupatki National Monument, Arizona, United States of America, North America
1311-123 - Box Canyon Indian Dwelling with the Lomaki Pueblo ruins in the background, Wupatki National Monument, Arizona, United States of America, North America
1167-1917 - Cornish Engine House, Magpie Mine, historic lead mine, National Monument, Peak District National Park, Derbyshire, England, United Kingdom, Europe
1167-1918 - Cornish Engine House and Winding Gear, Magpie Mine, historic lead mine, National Monument, Peak District, Derbyshire, England, United Kingdom, Europe
801-2251 - Reverse handprints, Ancestral Pueblo, up to 1000 years old, Lower Fish Creek, Bears Ears National Monument, Utah, United States of America, North America
801-2248 - Four Windows Ruins, Ancestral Pueblo, up to 1000 years old, Lower Fish Creek, Bears Ears National Monument, Utah, United States of America, North America
801-2247 - Four Windows Ruins, Ancestral Pueblo, up to 1000 years old, Lower Fish Creek, Bears Ears National Monument, Utah, United States of America, North America
801-2234 - River House Ruin, Ancestral Puebloan Cliff Dwelling, 900-1300 AD, Shash Jaa National Monument, Utah, United States of America, North America
801-2239 - Pictographs, River House Ruin, Ancestral Puebloan Cliff Dwelling, 900-1300 AD, Shash Jaa National Monument, Utah, United States of America, North America
801-2236 - River House Ruin, Ancestral Puebloan Cliff Dwelling, 900-1300 AD, Shash Jaa National Monument, Utah, United States of America, North America
801-2237 - River House Ruin, Ancestral Puebloan Cliff Dwelling, 900-1300 AD, Shash Jaa National Monument, Utah, United States of America, North America
801-2235 - River House Ruin, Ancestral Puebloan Cliff Dwelling, 900-1300 AD, Shash Jaa National Monument, Utah, United States of America, North America
801-1834 - Kiva in foreground, Wupatki Pueblo, inhabited from approximately 1100 AD to 1250 AD, Wupatki National Monument, Arizona, United States of America, North America
801-1833 - Wupatki Pueblo, inhabited from approximately 1100 AD to 1250 AD, Wupatki National Monument, Arizona, United States of America, North America
801-1812 - Ruins of Ancestral Puebloans, Square Tower, dating from between 900 AD and 1200 AD, Holly Group, Hovenweep National Monument, Utah, United States of America, North America
801-1813 - Ruins of Ancestral Puebloans, dating from between 900 AD and 1200 AD, Holly Group, Hovenweep National Monument, Utah, United States of America, North America
801-1815 - Open Kiva in West Ruins, Aztec Ruins National Monument, dating from between 850 AD and 1100 AD, UNESCO World Heritage Site, New Mexico, United States of America, North America
801-1816 - West Ruin, Aztec Ruins National Monument, dating from between 850 AD and 1100 AD, UNESCO World Heritage Site, New Mexico, United States of America, North America
801-1778 - Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America
801-1779 - Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America
801-1777 - Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America
801-1095 - Casa Grande (Great House) Ruins National Monument, home to the Sonora Desert people, founded near 400 AD, abandoned about 1450 AD, Coolidge, Arizona, United States of America, North America
801-1094 - Casa Grande (Great House) Ruins National Monument, home to the Sonora Desert people, founded near 400 AD, abandoned about 1450 AD, Coolidge, Arizona, United States of America, North America