Enshi Grand Canyon-Tenglongdong Cave UNESCO Global Geopark in the southwest of Hubei Province, China, is home to world-famous erosion and dissolution landscapes and the rich cultural heritage of the ...

We’re on a cliff roughly 3,500 feet above the Colorado River at the tip of the Great Thumb Mesa, a spectacular formation that thrusts out from the South Rim of the Grand Canyon like the bow of ...

Amazing caves and rock formations around the Grand Canyon, a rich history ... These fossil tracks were discovered recently on a large sandstone boulder in a remote area of Arizona's Grand Canyon ...

Globally, caves provide important refugia for bats. The Grand Canyon, more than 400 km (250 mi) long, consists of steep-sided, rocky formations with hundreds to thousands of natural caves. Two of ...

Kanab North Uranium Mine, located next to Kanab Creek, a tributary to the Colorado River on the North Rim of Grand Canyon. Photo Robin Silver. Because uranium mining is not consistently profitable, ...