Site of one of World War I's most horrific scenes.

"Only the devil could play golf here."

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

Marta Becket's hand-painted theater in the desert.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

A Mars simulation in the southern Utah desert.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A unique geological area spiked with wind-carved rocks that resemble teepees.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Crumbling remnants of what was once a booming town full of silver.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."