The Twisted Trees of Alticane are an unnerving grove of Quaking Aspen, apparently mutated from a single source, giving them a twisted and unnatural appearance.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Abandoned rock quarry now a haven for mountain bikers and hikers.

One of the most unusual geological features, recognizable from a dozen hit movies.

Stroll through a wonderland of stupendous moss-covered trees.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

270 million year-old forest of stone.

A clear example of the process of erosion in action.

Derelict chemical plant on the North Sea is a beautiful industrial ruin.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

A vast landscape of craters created by meteorites.

The rocks in this arid basin leave trails of movement behind them.

An alien landscape of chalk-rock in the Egyptian desert.

Natural time capsule containing an alien ecosystem.

The growing stones of Romania.

Unusual rock formations eroded into a landscape of stone beasts.

Mysterious standing stone formations looks like a petrified forest.

Three columns of volcanic rock shoot out of the ocean.

The rocky remains of an ancient Greek forest.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

These strikingly barren, rolling red hills were caused by bad farming practices.