The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

A public urinal so pretty, it was declared a national monument.

The center of the only hemisphere that awards visitors with a commemorative coin.

This striking art museum holds an amazing series of curiosity cabinets.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

A spring-fed pool so deep it's used for scuba diving as well as swimming.

A downtown park built on top of unclaimed graves.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The world's largest squirrel statue clutches a pecan bigger than your head.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Less a museum than a bizarre fantasy world created by artists and engineers.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Home to items never before seen by the public.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A 16th-century Andalusian palace.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The final resting place of the great navigator, or maybe his brother.