The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

This enormous World War II relic is one of the largest wooden structures in the world.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

This replica of the Greek structure is in the heart of Nashville.

This award-winning men's bathroom was just too beautiful to not allow women to see.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

In the early 1800s, surgery was also a show.

The arch that celebrated the completion of the Lincoln and Victory highways.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

A land of debatable treasure.

A memorial to the beloved brown bear that served in the Polish army during World War II.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

This lurid German fountain plots the sad course of marriage from dating to death.

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

The prototype for all Nazi concentration camps.

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

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.