A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

The attic of a four-century-old canal house hides a clandestine church.

A floating cat sanctuary on an Amsterdam canal.

Europe's first floating restaurant is home to a hilarious legend.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

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

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

You've probably seen these distinctive orange-tiled columns on the big screen.

A 12th-century fortress containing some of Berlin's oldest buildings.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

This monumental work of art symbolizes the coming together of a previously divided city.

Berlin's old airport.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.