A series of abstract, silly sculptures represent the works of a great modern classical composer.

This professional clown's home is an outsider art wonderland.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A unrivaled and rather horrifying collection of wax dermatological models.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Paris' linguistic guide to the international language of, yes, love.

A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.

A massive explosion that leveled hundreds of buildings in the city of Leiden is remembered by a waterside plaque.

This public toilet built in the famous Amsterdam School architectural style is a Dutch national monument.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

An ancient Egyptian temple sits within a modern European museum.

A preserved building where the dead were once watched for signs of life.

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

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

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

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

Amsterdam's former hotspot for public executions and dissections.

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