A beautiful Victorian-era cemetery, complete with a miniature village.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Traveling collection of amazing automata.

Charles Babbage's proto-computer, painstakingly brought to life.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Hear the quietest sound from across the dome.

The largest of London's subterranean rivers and once a mad, bad center of London life.