Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Secret refuge and museum of the Duke of Florence.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

The mummified relic of St. Antoninus.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The largest and most famous wax anatomical collection anywhere in the world.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe’s grave.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

The world’s first penitentiary, meant to be humane, drove men insane.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The site of the climactic scene from the classic horror film is now a historic landmark.

Home to items never before seen by the public.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The palatial McDonald's that inspired Wesley Willis.