Massive prehistoric mammals used these stones as oversized scratching posts.

A monument with a strange legend involving a horse's tongue.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

A shrine built to combat the bad karma of a commercial venture.

A bit of retro transportation flair preserved in the world's largest department store.

Made famous by "Star Wars," these troglodyte homes face an uncertain future.

The largest salt lake in the Sahara is mysteriously alluring.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A tribute to the man who lit himself on fire and ushered in the Tunisian Revolution.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Founded in 670, this ancient mosque is an architectural time portal.

The best-preserved Roman small town in North Africa.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

An ancient burial ground believed to have been used for ritual sacrifice.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.