A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The spectacular history of spectacles on display.

This basement museum explores the art and artistry of fascism.

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

A unique collection of gilded age mechanical pianos.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

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

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

The watery grave of Captain Bligh's famous ship.

The cafe that acts as the social hub for the small volcanic island of HMS Bounty fame.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

A quirky collection flush with information on commode culture from ancient times to modern day.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

It's the only museum of its kind in Ukraine.

Record-holding coffin moonlights as an eatery run by undertakers.

Like something out of a bad acid trip, this Ukraine hallway has been covered in hallucinatory phantasmagoria.

The largest collection of death masks in Ukraine.

Ancient structures used to make and preserve ice in the deserts of Persia.

A 1,500-year-old, 3-story subterranean city where ancient Persians took refuge in times of war.

This beautiful system of tunnels built into natural rock serves as a centuries old plumbing system.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

The palace of the King of Kings, burned by Alexander the Great.