An alchemist's "magic door" stands in the middle of a Roman park.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

An enormous park-like oasis, full of famous Chicagoans' graves.

Memorial to one of the most fatal fires in both circus and U.S. history.

This grave resides at the crossroad of three parishes.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

World's largest collection of serial killer artwork and other macabre exhibits.

Medieval torture techniques with a modern conscience.

A 200-year-old prison that now houses a peculiar crime museum.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

A museum of carnival attractions where you are invited to ride the rides.

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