Hovenweep Castle in late afternoon, Ancestral Pueblo, Hovenweep National Monument, Utah, United States of America, North America

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

Holly Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America

Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America

Ruins of Ancestral Puebloans, dating from between 900 AD and 1200 AD, Holly Group, Hovenweep National Monument, Utah, United States of America, North America

Hovenweep Castle in late afternoon, Ancestral Pueblo, Hovenweep National Monument, Utah, United States of America, North America

Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America

Hovenweep Castle, Square Tower Group, Anasazi Ruins, dating from AD1230 to 1275, Hovenweep National Monument, Utah, United States of America, North America

Square Tower and Hovenweep House in canyon of Hovenweep National Monument, Southeast Utah, United States of America, North America

Hovenweep National Monument, Colorado, United States of America, North America

Hovenweep National Monument, Colorado, United States of America, North America