Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

The red letters in the literary pavement leading to the library form a mysterious code.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The Liverpool street made famous by the Beatles is real.

A bridge that has seen many reiterations over its lifetime.

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.

Mosaics created from 11 million cigar bands.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

A statue of the second-tallest Dutchman in history.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

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

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Amsterdam's former hotspot for public executions and dissections.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

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

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.