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

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

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.

What is the Thing?

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

The world's largest military aircraft cemetery.

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

An urban laboratory.

Miniature art that tells an enormous story.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Limestone caves with spectacular showcase chambers.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A motel dedicated to Southwestern nostalgia.

Ancient pueblos built into the base of a natural canyon wall.

A spiritual vortex among the red rocks in Sedona.

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

This historic national park is covered in the stunning ruins of red rock pueblos.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

The Magical World of George Phar Legler.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

One of the largest, oldest, darkest, quietest motel rooms in the world.

A Saint Nicholas-themed ghost town in the Mojave desert.