A collection dedicated to the treatment of disease, held in London's oldest hospital.

Hear the quietest sound from across the dome.

One of the world's largest collections of pathological specimens.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Venice's island of the dead.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.