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

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

This diner's a kitschy dreamland for anyone whose heart is stuck in the 1980s.

Eclectic collection of dark and macabre antiques.

Puzzling...this tree looks like an assemblage of dismembered monkey limbs.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

The last of a gourmet supermarket chain, this store helped spark California's Food Revolution.

This former boomtown "island" is now submerged below Folsom Lake.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

In the early 1900s, hundreds of Black Americans found opportunity in this now-abandoned rural community.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

A wild west land agreement was etched right onto this historic Idaho stone.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

Toss a Frisbee through the ruins of this Colorado gold mining town.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

The largest source of fossilized insects anywhere.