The Grand Canyon is pretty much top of the list when it comes to UNESCO's list of most beautiful natural sites. Located in Arizona, USA, the canyon has been out by the Colorado River to nearly m deep which makes it the most spectacular gorge in the world.
Impossible Rock--Determined to finish a new route, superclimber Alex Honnold dangles from an overhang on Oman's Musandam Peninsula. After pushing as far as possible on the rock, a deepwater solo climber simply lets go. (Photograph by Jimmy Chin)