252-3076 - Tufas of calcium carbonate surround lake in Mono Lake Tufa State Reserve, with snow capped mountains in the background, in California, United States of America, North America
252-3079 - Tufas of calcium carbonate at lake in Mono Lake Tufa State Reserve, with mountains in the background, in California, United States of America, North America
794-520 - El Tatio Geysers, 4300m above sea level, El Tatio is the world's highest geyser field, the area is ringed by volcanoes and fed by 64 geysers, Atacama Desert, Norte Grande, Chile, South America
801-1383 - Tourists inspecting the large halite salt crystal formations, Devils Golf Course, Death Valley National Park, California, United States of America, North America
816-5397 - Dry river and beehive-like mounds in the Purnululu National Park, UNESCO World Heritage Site, Bungle Bungle mountain range, Western Australia, Australia, Pacific
845-744 - Limestone formations and waterfall at Buttertubs on the Pass from Wensleydale to Swaldale, Yorkshire Dales, Yorkshire, England, United Kingdom, Europe
321-5399 - Colourful patterns created by sea erosion on rocks revealed at low tide on Spittal Beach, Berwick-upon-Tweed, Northumberland on border between England and Scotland, United Kingdom, Europe
321-5397 - Colourful patterns created by sea erosion on rocks revealed at low tide on Spittal Beach, Berwick-upon-Tweed, Northumberland on border between England and Scotland, United Kingdom, Europe
321-5398 - Colourful patterns created by sea erosion on rocks revealed at low tide on Spittal Beach, Berwick-upon-Tweed, Northumberland on border between England and Scotland, United Kingdom, Europe
911-9331 - A rapidly retreating glacier on the side of the 6428 metre peak of Gandharwa Chuli in the Annapurna Sanctuary, Nepalese Himalayas, Nepal, Asia
911-9011 - A rapidly retreating glacier on the side of the 6428 metre peak of Gandharwa Chuli in the Annapurna Sanctuary, Nepalese Himalayas, Nepal, Asia
911-9047 - A rapidly retreating glacier on the side of the 6428 metre peak of Gandharwa Chuli in the Annapurna Sanctuary, Nepalese Himalayas, Nepal, Asia
83-12591 - Severe erosion of loose Quaternary glacial sands on this coast that has retreated more than 500m since the1830s, Covehithe, Suffolk, England, United Kingdom, Europe
83-12590 - Severe erosion of loose Quaternary glacial sands on this coast that has retreated more than 500m since the1830s, Covehithe, Suffolk, England, United Kingdom, Europe