The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The unusual burial monument of Arizona's first governor.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The Magical World of George Phar Legler.

A natural history wunderkammer in the middle of the desert.

Outsider Art Community.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

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

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

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.

This small, unassuming street is now a canvas for color and creativity.

A self-built castle made by a mysterious man.