Geological Oddities

Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

A regular looking rock with an unbelievable history.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

Huge otherworldly domed rocks on the shore of a deadly lake.

It would take 35 firetrucks to fill this enormous glacial pothole.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

A massive underwater sinkhole made famous by Jacques Cousteau.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

The largest source of fossilized insects anywhere.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.