These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

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

What is the Thing?

The world's largest military aircraft cemetery.

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

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

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.

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

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

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

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

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

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

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

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

A stealthy Apache hideaway that became the haunting site of a mass grave.

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

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A reproduction of earth's many biomes.

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