This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

Lucha Libre (Mexican Wrestling) themed taco shop.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Exotic feline breeding compound and conservation center.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

The site of murders and Satanic cult gatherings.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

An eclectic trailer park retreat in the middle of the California desert.

An inconspicuous footbridge beloved by San Diego locals.

The remains of the first punk club in L.A.

The final resting place of a space program monolith.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

A 300-ship graveyard, with a few still visible at low tide.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

This grand mansion has starred in everything from Bones to Buffy.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A modern mechanical planetary system, part of a 10,000 year clock.