This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

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

The longest staircase lock in Britain.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The reconstruction of this prominent building fulfilled a long-written command.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

Climb inside an iron crystal magnified 165 billion times its normal size.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

A little sculpture with a large wardrobe.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Cozy basement bar sports an inventory of over 2,000 beers.

Brussels' favorite peeing boy has a sister.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

An ancient ossuary in Rouen.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A massively oversized measuring tape sculpture sits inside a hidden yard.

This small island, a byproduct of 19th-century canal construction, is now home to a charming Japanese garden.