Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

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

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

The unusual burial monument of Arizona's first governor.

A mysterious "wedding cake" castle in the middle of the urban desert.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

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

The first permanent memorial to a unique secret weapon of World War II.