A sixth-century Byzantine cistern hidden below a modern carpet store.

A tiny park in the middle of some big power politics.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

1513 Turkish world map, full of European state secrets and snarky commentary.

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

Where royalty waits in the height of luxury.

A unique collection of gilded age mechanical pianos.

A nomadic museum known for its art exhibitions about religion and faith.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

This vast collection of smoking pipes from across the world spans centuries.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

A public urinal so pretty, it was declared a national monument.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

In 1988, jazz legend Chet Baker fell to his death from a window of this hotel facing Amsterdam Centraal.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

A unique work of automotive art calls this shopping center home.

A set of seven houses, each built in a style that represents a European country.

This plaque marks the former home of one of the first women physicians in the Netherlands.

The world's largest collection of preserved trolleybuses.

One of England's oldest ongoing games is basically a town-wide scrummage that aims to push a leather tube into a local pub.

In the right conditions a wall of water up to five feet tall flows upstream against the current on the River Trent.

Once the largest factory complex in all of Europe, this converted shopping center celebrates its industrial past in a big way.