A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

An urban laboratory.

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

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

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

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

A museum and tribute to a brave profession.

The unusual burial monument of Arizona's first governor.