The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Rippling sand dunes frozen in the Arizona rock.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

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

A park in Mexico offers all the experiences of an illegal border crossing except for one: the border.

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.

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

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

Only two of these trees remain in the natural world, found high in the cloud forest of the island of Mauritius.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

What is the Thing?

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

A motel dedicated to Southwestern nostalgia.

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

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

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

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

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

One of the largest open-pit copper mining operations in the entire country.

The world's largest military aircraft cemetery.

The biggest solar telescope in the world helps reveal the secrets of our sun.

A cabinet of curious mathematical models and old calculators.