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Acid sulphate mudpool at the Sulphur Flats in Rotorua, New Zealand.
Petrified Forest National Park, a natural attraction place with many petrified tree trunks and fossils, in Arizona, USA.
The magical canyons, pre-coulmbian ruins and settlements of Canyon de Chelly National Monument in the summer of 2008.
This rock, made of salt, limestone and sandstone, is also known as Paredão Salitroso in Portuguese. It is located in Porto Feliz City, in the state of São Paolo - Brazil
Ruins of fortress ancient Khorezm, in the Kyzylkum desert in Uzbekistan,
The breathtakingly beautiful scenery of Zion National Park in southern Utah.
Layers of orange rock exposed in stone pillar
The Soda Dam is a nice geological formation along the Jemez Mountain Trail, New Mexico
Rock formations on Oahu coast
Tawila village in mountains of Yemen
Bandelier National Monument, New Mexico
Juniper Tree growing but still looking small in comparison to the side of a cliff in the Island in the Sky District. Red Rocks worn down from natural Erosion, Broken Boulders, Canyonlands, Utah
Fethiye, Mugla, Turkey
Textured, damaged, peeled, rusted old painted surface
Ancient stone jungle like an alien world
Mesa Verde National Park is in southwest Colorado. It's known for its well-preserved Ancestral Puebloan cliff dwellings, notably the huge Cliff Palace. The Chapin Mesa Archeological Museum has exhibits on the ancient Native American culture. Mesa Top Loop Road winds past archaeological sites and overlooks, including Sun Point Overlook with panoramic canyon views. Petroglyph Point Trail has several rock carvings.
Exploring the beauty of Zion National Park from before sunrise to long after sunset from the valley floor to soring majestic peeks.
Hopi, San Juan Southern Paiute, Zuni, and Navajo Indian Ancestral Pueblo, Colorado Plateau in Arizona.
Stones texture nature background photo, High Resolution for 3D.
chalk mountains
Sandstone mountain canyon\nlandscape, Travel of scenery, Geology formation tourism cliff.
A close up of texture on natural slate. Background.
Lick Wash is a slot canyon whose rock walls are formed by water erosion from flash floods at Grand Staircase-Escalante National Monument in Kane County, Utah.
Big piles of gravel. Hövringen, Sel, Norway.
Abstract landscape of mineral stained cliff along the eroded sandstone shoreline of Lake Superior, Pictured Rocks National Lakeshore, Michigan’s Upper Peninsula, USA
North Rim Grand Canyon at Sunrise
Quartz inclusions in sandy mountains in Timna National Park near Eilat, southern Israel.
Checkerboard Mesa in Zion Canyon in Zion National Park, Utah - November 2011
The picturesque panorama of Cappadocia at sunset, amazing Turkey, Mountains and rock formation, big size image, Goreme national park, Love valley, open air museum, ancient region of Anatolia, Unesco. High quality photo
Snow Canyon State Park is an area of red sandstone cliffs, eroded formations, petrified sand dunes, black lava, a little slot canyon, and other wonders just minutes from downtown St. George, Utah.  This strange formation looks as if this sandstone wall was scraped flat eons ago, but it would be difficult to explain how that would have happened.  More likely would be that a vertical layer of harder sandstone has resisted erosion more than the underlying strata.
Free Images: "bestof:Paleontology team extracting Cretaceous fossils wrapped in plaster to take back to museum, 2001 Big Bend National Park, Texas. (NPS Photo by Meghan Hicks, GIP)"
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