Ancient human, animal, and geometric figures drawn in the earth.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

A mailbox that saved a nature reserve.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

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

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

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

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

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

Limestone caves with spectacular showcase chambers.

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

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

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

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

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

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

A spiritual vortex among the red rocks in Sedona.

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

America's only nuclear missile silo open to the public.

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

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

The Magical World of George Phar Legler.

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