A small but immensely extravagant palace built by the "Night King."

A unique bridge with an equally unique view.

The fairy tale castle of the "fairy-tale king."

The last bastion of Roman presence north of the Alps looms over a German town.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

World's largest barrel containing an inn.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

This unusual piece of Renaissance art depicting the bodily horror of crucifixion and skin disease may have been inspired by fungus-induced hallucinations.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The oldest operating pharmacy in the world features 800-year-old recipes.

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

Pilgrimage site for star-crossed lovers.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This university transit system is a 1970's vision of the future.

A beautiful hidden gem in central West Virginia.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The world's largest Holstein cow.