A Cold War site complete with rusty structures, hiking trails, and beautiful views.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

The most beautiful Taco Bell in the world even has surfboard parking.

Playable, historic pinball machines fill this Alameda museum.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

Because there's no place like home.

Legendary prop shop filled with one man's collection of scientific curiosities.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

One of the smallest towns in the United States.

This shallow cave got its name from copious amount of human bones found inside.

One man's quest to save his town with a trail of record-breaking sculptures.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

The overgrown ruins of a once thriving World War I-era copper mine.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The remnants of an early American attempt at missile defense.

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