After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

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

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

Miniature art that tells an enormous story.

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

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Take a monster truck tour around an ostrich farm in the middle of the desert.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

A "Texanic" (gigantic Texas) collection of Art Deco architecture at Dallas' historic Fair Park.

A self-built castle made by a mysterious man.

This abandoned horse racing track was an exercise in hubris from its inception.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

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

The Magical World of George Phar Legler.

No matter what the plaque under this massive legume says, this is not the world's largest peanut.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The unbelievably opulent home built for an infamous newspaperman.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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