The footprint of a frustrated devil in Munich's Cathedral.

King Ludwig I's collection of beautiful women.

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

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

The "Prussian Versailles" that is as glorious today as when it was built.

A restaurant and observation deck built in a unique broadcasting antenna.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Home to drunken tower-climbing goats... seriously.

The walls and streets of the ancient city are peppered with penises.

Elvis's own personal tropical hideaway.

One Confederate statue that accurately reflects the ugliness of its subject.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

Detroit housing collective working to create an "environment for revolutionary change."

A Beaux-Arts triumph set to become Ford's innovation campus

The second oldest continuously operating bar in Louisiana.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

You thought Santa Claus didn't exist, but it turns out you were wrong.