This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

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

These free-roaming horses were once destined to disappear from the land.

An urban laboratory.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

This Prescott institution is widely considered the oldest bar in Arizona.