Geological Oddities

The eroded core of an ancient volcano is now accessible by a short hike.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

Nestled within a German forest is an intriguing, growing rock.

This honeycomb-textured tafone looks like a petrified troll head.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

It's said this geological anomaly was caused when the Devil took a bite out of the Irish mountainside.

These towering cliffs jut dramatically from the middle of a barren desert.

People in Poland have rallied to save this unnatural desert from being reclaimed by the forest.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

This unusual lava tube spouts seawater during high surf.

Legend says train robbers stashed their gold within the depths of this unusual cave.

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

This towering volcanic plug stands out among the dramatic formations that dot this otherworldly desert valley.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

A powerful cyclone once made one of the world's largest sinkholes completely fill with water.