Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

This Old West prison built into the side of a cliff was said to be inescapable.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

The smallest post office in the United States is no bigger than a broom closet.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

The largest retailer of seashells in the world.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

A painfully obvious spy house sits right across the street from the Russian Embassy.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

This former lieutenant governor's home is brimming with curiosities.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

A clear blue swimming hole with hidden caves, still unexplored.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

In 1967, murder and mayhem disrupted the tranquility along this quiet stretch of Old Route 66.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This historic hydroelectric power plant in Japan has been preserved and is open to the public.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The only road through the heart of Glacier National Park.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Eons ago, a rushing lava river formed this pristine passage through solid rock.