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

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

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

A motel dedicated to Southwestern nostalgia.

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

A spiritual vortex among the red rocks in Sedona.

An urban laboratory.

A geological mystery on Camelback Mountain.

A museum and tribute to a brave profession.

A self-built castle made by a mysterious man.

The biggest solar telescope in the world helps reveal the secrets of our sun.

One of the largest open-pit copper mining operations in the entire country.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

The Magical World of George Phar Legler.