Geological Oddities

Deep within the mountains, a towering natural wall of tightly packed basalt columns mimics a colossal ancient fortress built by no human hands.

Hidden within the mountains of Vinh Son, this geological marvel features a roaring waterfall cascading over a massive, million-year-old basalt cliff shaped like a giant upside-down stone honeycomb.

The cavern’s main chamber is so vast that the Statue of Liberty could reportedly fit inside it.

A mysterious submerged wall stretches from the coast of Nhon Hai toward Hon Kho Island, emerging from the sea only twice a month.

A spectacular pothole (pit cave) in The Yorkshire Dales, the home of British vertical cave exploration.

A prehistoric limestone cave entered through a spectacular natural rock arch.

A split boulder left by the Ice Age and, according to legend, a hazard to your senses.

Islands of granite rise above the rainforest canopy to form unique microbiomes in a remote French territory.

A peaceful Elves-fairytale landscape hides an evil scar, a chasm so dark and daunting that for centuries it was believed to be the gateway to hell.

Discover this sandstone alcove, a geologic wonder in southern Utah, that continues to slowly shape shift.

The Great Tsingy has a smaller, rose-colored cousin.

Fascinating rock formations on the cliffs of a sacred coastal town.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

A pocket of pine forests, healing lakes, and legendary rocks rising from Kazakhstan’s endless steppe.

A rare cold-water geyser that bubbles to life every half hour.

This massive rock column in Canada is perched on a corner of its base, seeming to defy gravity.

Visit Taiwan’s badlands, which allows visitors to feel like they’re walking on the moon.