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

The world's first floating farm is staffed by one human, three robots, and 35 cows.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

3,000 market stands in five former Zeppelin hangars.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

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

Sail in for a ’dam good slice.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

The world's only museum devoted to the wonders of fluorescence.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A curious collection dedicated to human and animal anatomy and pathology.

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

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

The history and future of cannabis.

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

Hidden beneath the streets of London is a secret subway that only carried mail.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

An abstract monument to a symphonic composer.

The world's largest model of our planetary system.

It houses the remains of a 17th-century version of the Titanic.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.