A unique collection of old miners' cave homes carved in to the hillside cliffs near Death Valley.

An enormous illuminated figure dances on the Las Vegas strip.

A lovely park home with a few interesting guests.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

See Hoover Dam and the bypass bridge from a perspective usually off-limits to the public, and float the upper part of the Black Canyon National Water Trail.

This balancing rock is one of Utah's most unusual geological formations.

The gambling entrepreneur who built a city was also an avid collector of classic cars.

Thousands of turbines whir at the origin of North American wind power.

Home to the oldest operating roller coaster in the Southern Hemisphere.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Built as a schoolhouse in 1914, this Mission-style building has also served as a dancehall, a library, an Army canteen, and now a cultural museum.

A collection of old shoes in the middle of nowhere.

An assortment of armored tanks and Howitzer cannons in the middle of the Sonoran Desert.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

A century-old miner's quarters turned mansion.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

Inside houses a vast collection of military aircraft and missiles spanning the ages.