A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

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

A private collection of massive steel monsters guarding a Texas pipe works.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

At the "Garage Mahal" in Houston, car culture is about more than just driving.

Belly up to the bar in Cowtown, don't forget to buy some boots.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Like Mars, but much closer.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

It's good luck to be mocked by this monkey.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Fantastic views and thousands of love locks.

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

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

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

Art historians have debated the identity of this medieval stone rider since the 19th century.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.