Once designed as a natural history museum, this building is now home to a massive art gallery.

A medieval device used to punish and shame wrongdoers still hangs outside the village church.

The building where Mary, Queen of Scots was said to have bathed in white wine.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

Tour the oldest unrestored plantation house in America that is open to the public.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This small-town museum is dedicated to the original western movie mega-star.

An oil baron's wild paradise and the winner of an ill-fated air race.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

An extravagant western hotel where every floor is the "ground floor."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

A mysterious "wedding cake" castle in the middle of the urban desert.

In the middle of a remote desert town is a surprisingly opulent hotel.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.