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Lichen covered rocks on high fell, Kilpisjarvi, Lapland, Finland, Europe
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
The Pinnacles limestone formations at sunset in Nambung National Park, Western Australia, Australia, Pacific
Road leading through the Capitol Reef National Park, Utah, United States of America, North America
View over the Zion National Park from Angel's Landing, Zion National Park, Utah, United States of America, North America
The cliffs of the Narrows in the Zion National Park, Utah, United States of America, North America
Beautiful red sandstone formations in the Arches National Park, Utah, United States of America, North America
Early morning sunlight shining on the towering cliffs of the Zion National Park, Utah, United States of America, North America
Marmitte dei Giganti canyon on the Metauro River, Fossombrone, Marche, Italy, Europe
Swiss Alps, mountain scene, Switzerland, Europe
Long tail boats on Poda Island in Ao Nang, Krabi, Thailand, Southeast Asia, Asia
Sunset over Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America
Corona Arch and Bootlegger Canyon, Moab, Utah, United States of America, North America
Porlock Weir at sunrise, Porlock, Somerset, England, United Kingdom, Europe
Limestone outcrops on Castle Hill, Canterbury, South Island, New Zealand, Pacific
Limestone outcrops on Castle Hill, Canterbury, South Island, New Zealand, Pacific
Bryce Canyon National Park, Utah, United States of America, North America
Punaluu Black Sand Beach on Big Island, Hawaii, United States of America, Pacific
Eroded curves in sandstone, Upper Antelope Canyon, near Page, Arizona, United States of America, North America
The colourful Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The colourful Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Kayaking and rafting down the Colorado River, Castle Valley, near Moab, Utah, United States of America, North America
The Cliff Palace Indian dwelling, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Woman standing on a giant arch near Moab, Utah, United States of America, North America
Swiss Alps, mountain scene, Switzerland, Europe
Stone wall of the Window section, Arches National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
The towering cliffs of the Zion National Park, Utah, United States of America, North America
Hummer driving on the Slickrock trail, Moab, Utah, United States of America, North America
View over the sandstone cliffs of the Grand Staircase Escalante National Monument, Utah, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Remarkable Rocks, Flinders Chase National Park, Kangaroo Island, South Australia, Australia, Pacific
Old millstones left at quarried edge of gritstone (millstone grit), Stanage Edge, Peak District National Park, Derbyshire, England, United Kingdom, Europe
Rock arches known as the Faraglioni Stacks off the coast of the island of Capri, Campania, Italy, Europe
Rock tombs in sandstone inselberg, Mada'in Salih, Saudi Arabia, Middle East
Ayers Rock, Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
Pinnacles and rock formations known as The Silent City, seen from Inspiration Point, with snow on the ground, in the Bryce Canyon National Park, Utah, United States of America, North America
Wind eroded pinnacle rock showing strata, Tamegaout, Algeria, North Africa, Africa
Looking out through entrance of cave, Deer Cave, Gunung Mulu National Park, UNESCO World Heritage Site, Sarawak, island of Borneo, Malaysia, Southeast Asia, Asia
Cathedral Cove, Coromandel Peninsula, South Auckland, North Island, New Zealand, Pacific
Rock formations, Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Stratified rock at Agio Pavlos in southern Crete, island of Crete, Greece, Mediterranean, Europe
Part of the North Unit of Badlands National Park, carved out of the prairies by rapid water erosion of sediments, South Dakota, United States of America, North America
Arbol de Piedra, wind eroded rock near Laguna Colorada, Southwest Highlands, Bolivia, South America
Sof Omar cave, exit into the downstream gorge, Southern Highlands, Ethiopia, Africa
Wave-cut platform, and chalk cliffs, Flamborough South Landing, Yorkshire, England, United Kingdom, Europe
Holy monastery of Aghia Triada (Holy Trinity), Meteora, UNESCO World Heritage Site, Greece, Europe
Briksdal glacier, Sogn and Fjordane, Norway, Scandinavia, Europe
Svartifoss waterfall, Skaftafell National Park, Iceland, Polar Regions
Entrance to Fingal's Cave, columnar basalt rock, Island of Staffa, Argyllshire, Inner Hebrides, Scotland, United Kingdom, Europe
The Cairngorms near Aviemore, Highland region, Scotland, United Kingdom, Europe
Rough Tor Rocks, Bodmin Moor, near Camelford, Cornwall, England, United Kingdom, Europe
Ogygiopsis klotzi, fossil, trilobite 50mm long with small fault through it, Cambrian, Burgess Shale, Yoho, Canada, North America
Sedimentary rocks, clay, colour banded by iron oxides, horizontal Triassic Chinle Clay, Blue Mesa, Painted Desert, Arizona, United States of America, North America
The Giants Causeway, UNESCO World Heritage Site, Co. Antrim, Ulster, Northern Ireland, United Kingdom, Europe
The Giants Causeway, UNESCO World Heritage Site, Co. Antrim, Ulster, Northern Ireland, United Kingdom, Europe
Pigeon rocks (Rawcheh rocks), Beirut, Lebanon, Middle East
Antelope Canyon, a slot canyon, Upper Canyon, Page, Utah, United States of America, North America
Remarkable Rocks, Kangaroo Island, South Australia, Australia, Pacific
View of Koh Ping-gan from Koh Ta Poo, known as James Bond island, Phang-Nga Bay, Thailand, Southeast Asia, Asia
Uluru (Ayers Rock), Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, with the Olgas in the distance, Northern Territory, Australia, Pacific
A man gazing up at Wave Rock, at Hyden, Western Australia, Australia, Pacific
Rock strata in cliffs in Paria River Valley, Grand Staircase-Escalante National Monument, near Page, Arizona, United States of America, North America
Detail, The Coloured Canyon, near Nuweiba, Sinai, Egypt, North Africa, Africa
Remarkable Rocks, Flinders Chase National Park, Kangaroo Island, South Australia, Australia, Pacific
Thrombolites, a variey of microbialite or living rock that produce oxygen and deposit calcium carbonate, similar to some of the earliest fossil forms of life found on Earth, Lake Clifton, Yalgorup National Park, Mandurah, Western Australia, Australia, Pacific
Stromatolites, one of the most ancient life forms on earth, mats of micro-organisms that become rock-like structures through accretion of calcium carbonate, in highly saline lagoons like here in Lake Thetis, Cervantes, Dandaragan Shire, Western Australia, Australia, Pacific
Rock pillars formed by erosion of thick hard layer of calcrete over soft limestone, The Pinnacles Desert, Nambung National Park, near Cervantes, Dandaragan Shire, Western Australia, Australia, Pacific
Eroded calcarenite rock (cemented coral sands) with Mount Lidgbird and Mount Gower by the lagoon with the world's most southerly coral reef, on this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific Ocean.
Devil's Marbles, the result of spheroidal weathering of strong granite beneath an ancient soil, Tennant Creek, Northern Territory, Australia, Pacific
The Olgas (Kata Tjuta) at sunrise, Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific
The Saddle of Cathedral Rock, Sedona, Arizona, United States of America, North America
The Saddle of Cathedral Rock, Sedona, Arizona, United States of America, North America
Devils Bridge, Sedona, Arizona, United States of America, North America
Pinnacles and rock formations caused by erosion and known as The Silent City, seen from Inspiration Point, in the Bryce Canyon National Park, Utah, United States of America, North America
Rock arches, Beirut, Lebanon, Mediterranean Sea, Middle East
Church Doors rock formation in Skrinkle Haven cove with surf washing over the rocks, Lydstep, Pembrokeshire, Wales, United Kingdom, Europe
Sof Omar cave, main gallery of River Web, Southern Highlands, Ethiopia, Africa
Rock formations caused by erosion, and a solitary pine tree above the Queens Garden, in the Bryce Canyon National Park, in Utah, United States of America, North America
Strong folding in garnet gneiss, Hammerfest, Norway, Scandinavia, Europe
Columnar basalt, Vikingbukta (Viking Bay), Scoresbysund, Northeast Greenland, Polar Regions
Folded layers of Jurassic sedimentary limestone and marl rocks in the cliffs at Vega beach, Ribadesella, Asturias, Spain, Europe
Stratified rock at Agio Pavlos in southern Crete, island of Crete, Greece, Mediterranean, Europe
Hound Tor, Dartmoor National Park, Devon, England, United Kingdom, Europe
Tufa towers at Lac Abhe (Abbe), formed by hot springs beneath old lake at higher level, Afar Triangle, Djibouti, Africa
Rock formation called 'the finger of Allah', Akakus, Sahara desert, Fezzan, Libya, North Africa, Africa
Valley of Goreme, central Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Cueva de Los Verdes, cave tourist attraction in lava pipe tunnel, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Rock formations, Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Rock outcrops at Hartland Quay, North Cornwall, England, United Kingdom, Europe
Thrombolites, a variey of microbialite or living rock that produce oxygen and deposit calcium carbonate, similar to some of the earliest fossil forms of life found on Earth, Lake Clifton, Yalgorup National Park, Mandurah, Western Australia, Australia, Pacific
Rock formations of The Burren, County Clare, Munster, Republic of Ireland, Europe
Coastal sea cliffs and stacks, near Cape Wrath and Sandwood Bay, Highland region, Scotland, United Kingdom, Europe