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

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

The cinder cone volcano with a less than complimentary name.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Ancient pueblos built into the base of a natural canyon wall.

What is the Thing?

The world's largest military aircraft cemetery.

America's only nuclear missile silo open to the public.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

See massive fossils that are over 200 million years old in northeastern Arizona.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Antique automobiles, phonographs, organs, and farm equipment.

There are eight natural springs around town, each with a slightly different taste.

This museum offers an actual time machine back through Colorado's past.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.