This unusually circular centenarian barn became a Route 66 icon.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

This two-room shotgun shack in Tupelo is the birthplace of a King.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

King Ludwig I's collection of beautiful women.

Enter the cabin of a life-sized Hindenburg replica.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A beautiful gorge filled with streams and waterfalls.

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,” this was also the inspiration for Disney’s “Sleeping Beauty.”

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.