A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

A high-end clothing boutique with a curious basement art installation.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The final resting place of the poets Shelley and Keats.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Architectureal fantasy quarter of Rome.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

These museum grounds are a Dalai Lama-declared peace oasis.

This clock was gifted to Mexico as a show of gratitude for its long history of welcoming Arab migrants.

What looks like a normal building is really a hollow facade hiding a subway vent.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Space-age minarets towering over Islamabad.

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

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

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

The best-preserved Roman small town in North Africa.

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

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

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