This scrap yard doubles as a naive art gallery full of found art and farm animals.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

The eroded core of an ancient volcano is now accessible by a short hike.

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

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

This collection of neon icons is preserving Arizona's history, one sign at a time.

A natural history wunderkammer in the middle of the desert.

This giant steer-skull edifice refuses to die.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

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

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

The fading, forgotten remains of a once bright and booming factory.

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

Collection of vintage trailers double as hotel rooms.

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

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.