Traditional 11th-century outdoor tannery.

Along the most northwestern point in Africa is an ancient cave surrounded by legends.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

A fortified city, home to a remaining population of five families

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

One of the most spectacular canyons in the world.

Founded as a refugee camp, now a popular tourist spot.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

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

Ozymandias’ time-keeping temple.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

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

This single room has survived the centuries with almost no deterioration.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

A medieval church built up to defend its village.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.