Series of underground houses inhabited continuously for centuries.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Lumps of significant stone from around the world surround a flaming monument for peace.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

Walk in the footsteps of the gods and straddle two tectonic plates.

Whimsical sculptures and caves chiseled by nature over the millennia.

Volcanic rocks ground down into sand make this Spanish beach as black as night.

These wooden balconies that are both decorative and functional.

The largest salt farm in the Canary Islands is located at the foot of an active volcano.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

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

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

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

Enjoy fresh-baked bread and fish from a repurposed Portuguese fortress.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

An eerie former warehouse turned cistern turned movie set.

Mosaics, storks, and brothels—this ancient city has it all.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.