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

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

Collection of vintage trailers double as hotel rooms.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A motel dedicated to Southwestern nostalgia.

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

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

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

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.

Limestone caves with spectacular showcase chambers.

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

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

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

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

A spiritual vortex among the red rocks in Sedona.

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.

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

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

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.

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

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