Ruins on Mount Nemrut, Turkey, burial site of kings, date from the first century B.C.
Skull Rock at Sunset - Joshua Tree National Park, CA by debbie_dicarlo, via Flickr
Unique rock formations
Moeraki Boulders, known as the 'Dinosaur Eggs - New Zealand
"Natural rock formation - Elephant rock" - Another fake rock formation
The Statue of Dacian king Decebalus, Danube River, Romania
A rock formation that looks like a sleeping cat.