Dramatic cliffs, panoramas and suggestive rock formations are the reward for hikers in Danxia Shan, an easy weekend getaway from Hong Kong.

Check out 24 of the world’s must unusual landscapes — from the hellish Darvaza Gas Crater in Turkmenistan to the “snow ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

But these 1,268 hills are very much a natural phenomenon: conical limestone peaks formed through the actions of water and erosion over ... Vermilion Cliffs is one of the most visually arresting ...