Rock Formations

The largest manmade caves in Europe now function as a motorbike club's headquarters.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

The view from this giant Stone Age toad is unexpectedly beautiful.

Just another ancient, mysterious Irish stone circle.

The summer tourists on these cliffs are thousands of seabirds.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

A desert that evokes the surreal.

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

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

A hugely vast Irish landscape of barren rock that stretches for miles.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

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

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

These 18th century gardens tell a rocky story of the son of Odysseus.