This video shows a rugged rock formation in Mongolia, where large orange-brown stone blocks rise from dry land and appear ...

Somewhere on the floor of Jezero crater, a stack of flat rock slabs is sitting in an arrangement so orderly it looks like someone placed them there on purpose. Nobody did. The nearest hands are ...

Hikers in Yosemite National Park are answering the growing calls to knock down man-made rock formations along area trails. The rock piles can be several feet high and most people see them and walk on ...