This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

A small but very fascinating fountain in the center of Rome with four books and a deer carved.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

Plaques on its facade commemorate the Tiber's most destructive deluges.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

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

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

North Africa's first museum of its kind preserves the culture of Moroccan women and their artistic achievements. 

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

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

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Vast stretch of tide-pools with a unique Moroccan charm.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This 400-year-old tree is actually an immigrant from North America.

This demon atop the Notre-Dame de Paris looks utterly bored.

This modest marker near Notre Dame identifies the very center of Paris.

This TV tower once secretly housed a GDR intelligence team.

Where once there was a train station bathroom, there is now this German burger joint.

A massive relic of the communist era of Berlin.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.