Enchanted City of Tamajón

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

This balancing rock is one of Utah's most unusual geological formations.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

A beachside monolith shaped by years of waves crashing against hard quartz.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.