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

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

Where royalty waits in the height of luxury.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

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

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

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

The former headquarters of history's oldest megacorporation.

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

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

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

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

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

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.

A unique collection of gilded age mechanical pianos.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

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

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

This subterranean studio is filled with fascinating kinetic art.

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

This unusual elevator doesn’t stop or slow down.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.