Three bridges and one giant canyon make up this fantastic Spanish settlement.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The central mosque of this Mali town is entirely built from mud.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Naturally protected city carved from a rock face.

These quaint French houses dangle precariously over a precipice.

Stunning examples of Russia's 18th-century wooden architecture.

The tallest stationary dunes on Earth also happen to sing.

Alien rock formations grown from the sands of an Australian national park.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.