A mysterious light of unknown origin on the backroads of Missouri.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This remote desert watering hole has a connection to a curious chapter of American history.

For those going through a life transition, a place to leave behind a piece of your former self.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

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

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

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

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

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.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

An amazing stag sculpture constructed entirely of discarded materials.

A spur fit for a giant sits just off Highway 281 in Texas.

The only nuclear weapon assembly and disassembly plant in the U.S.

Colorful curls of hand-blown glass form a captivating tower in San Antonio's Central Library.

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

A tall smoke stack and boarded-up buildings are all that's left of the pioneering plant.

The house's confection-like decorations are the result of one man's painstaking work over decades.