1160-4592 - Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

1160-4593 - Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

1160-4588 - Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

1160-4591 - Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

1160-4590 - Tufa formations at Mono Lake, South Tufa State Reserve, Sierra Nevada, California, United States of America, North America

832-310435 - Seven moais of Ahu Akivi, stone sculptures, Rapa Nui National Park, Easter Island, Chile, Oceania

832-310433 - Moai Ahu Tahai, stone sculpture, sunset, Rapa Nui National Park, Easter Island, Chile, Oceania

1113-58220 - Tufa towers, South Tufa Aerea, Mono Lake, California, USA

698-2813 - Tufa spires and tower formations of calcium carbonate, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

698-2812 - Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

698-2804 - Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America

698-2805 - Tufa spires and tower formations of calcium carbonate at sunset, Mono Lake, South Tufa Reserve, Mono Basin Scenic Area, Lee Vining, Inyo National Forest Scenic Area, California, United States of America, North America