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

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.

The former headquarters of history's oldest megacorporation.

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

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

Where royalty waits in the height of luxury.

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

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

A bridge that has seen many reiterations over its lifetime.

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

A condensed piece of China floating in a Dutch harbor.

A 20th-century naval quarantine center is now a local park.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

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

This collection of 20th-century toys is filled with a lifelong personal toy collection brought from the U.S. to Amsterdam.

The last of Amsterdam's original sea level markers remaining in place.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

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

Europe's official "zero-level," the equator of elevation.

Amsterdam's former hotspot for public executions and dissections.

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

A unique collection of gilded age mechanical pianos.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.