It was once nicknamed "the most bombed hotel in Europe."

A museum marks and documents the site of the Titanic's launch.

Celebrated in poem, this tiny hidden cemetery has a big and grisly history.

This hidden museum examines the complex history of the country's law enforcement.

Robotic car thieves, freakish animals and huge neon floats in Northern Ireland's capital.

The spectacular history of spectacles on display.

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

A unique collection of gilded age mechanical pianos.

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

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

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

The former headquarters of history's oldest megacorporation.

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

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

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

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

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

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

This unusual elevator doesn’t stop or slow down.

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

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

Amsterdam's Red Light District leaves little to the imagination.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Some of England's last cave dwellers lived and worked within this huge cave.