The first museum in the world devoted to sexual gadgetry.

Countless grotesque faces stare out from this eerie Prague art wall.

A huge old mansion full of thousands of toys, each there to be used and played with.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

When you're a great Russian Tsar, even your vomit gets a statue.

One of the deepest indoor swimming pools in the world.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Medical history with an amazing, if frighting, collection of wax diseases on display.

A miniature replica of the canine that became the logo for a large recording company.

An authentic, seaworthy replica of the ship that sailed to Newfoundland in 1497.

A monument dedicated to the unrecognized Black "mother" of modern medicine.

Banksy's image of a naked man dangling from the window of a sex health clinic.

In Warrington’s Golden Square, it's always tea time.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

Inside this cathedral is a shoulder bone belonging to the Patron Saint of Scotland.

This 15th-century structure had a long, tortuous journey to its current location.

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.

The artwork mysteriously appeared within an Edinburgh cemetery.