This huge dam across the Colorado River caused an armed standoff between two U.S. states.

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.

A lingering bit of Space Race nostalgia lies in the middle of the desert.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

Over 100 miles from the ocean, this ship-shaped building was built in honor of the owner's sailor son.

One man spent decades making these working scale models of antique cars.

A colony of Mexican free-tailed bats live under the bridge and take flight at sundown all summer long.

Visitors to this public park will also find the ruins of an old western fort.

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

This giant steer-skull edifice refuses to die.

A natural history wunderkammer in the middle of the desert.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Despite a recent paint job, the factory still sits empty.

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

Miniature art that tells an enormous story.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

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

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

Giant quails play and greet visitors at a suburban park.

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 towering tribute to old-fashioned laundry days, this giant washboard monument turns a simple chore into a playful spectacle!

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.