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

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

Morocco's largest Jewish cemetery.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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.

What looks like an ordinary house from the outside is actually a rotating sculpture.

A first-of-its-kind circular bridge for cyclists.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

An unusual number plate signifies the building's saucy past.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The narrowest street in Paris.

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

This little-known relic crypt holds stolen parts of a Roman Empress.

The oldest stone house in Paris was built by its most famous alchemist.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Notorious artist squat renovated into legal studios.

This emotive sculpture was originally created for the 1878 World's Fair.

This bridge was constructed from the rubble of the infamous Bastille.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

One of Jeff Koons’s largest sculptures and his first commemorative work.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.