In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

One of the last free public hot springs is decorated with hippie art.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

This historic graveyard was partially paved over to create a streetcar line.

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

Salt is slowly eating away this abandoned saltworks town in the desert.

100-year-old shipwreck you can walk up to at low tide.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

The magic's in the hole!

Canyon walls shrouded in ferns.

This little museum has an exhibit devoted to the elusive forest denizens.

The seamy, underground secrets of Portland's criminal past.

An emporium for the weird, creepy, rare, and just plain gross.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

It would be a crime to miss it.

San Diego's most historic and haunted home.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

A museum dedicated to the alleged Roswell Incident.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.