Decommissioned experimental solar facilities that pioneered solar energy technology.

Rusty industrial city full of oxidized distillation towers.

Floating man-made island and upscale restaurant.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

This outdoor observatory offers stellar views and a scale model of our solar system.

The world’s largest concentrated solar plant generates as many problems as megawatts.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Here, visitors can swing with the waves of the Pacific Ocean.

One of the only known surviving coconut palm trees in the entire state.

An abandoned boat that's been stranded mysteriously for decades.

A 19th-century cabin built into a hollowed-out Sequoia tree.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

Abandoned in 2009, this once popular resort destination now stands frozen in time.

The 10-foot-wide Long Beach home was built on a dare.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

This store is dedicated to unique found footage and the strangeness of pre-internet pop-culture.

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

The longest burning light bulb in the world.

A surreal, Gaudi-inspired play space near an Anaheim community center.

Abandoned anti-ballistic missile base.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.