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

The largest permanent Monopoly board makes one of the longest games even bigger.

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

The final resting place of a space program monolith, soon to be unveiled again to the public.

A modern day curiosity cabinet.

A storybook European village in Berkeley.

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

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Most famous work of one of Frank Lloyd Wright's sons.

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

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

In this century-old literary safehouse, print is alive and well.

This glamorous old building is said to have inspired the Tower of Terror.

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

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

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

Visible below the waves are memorials to the city's Gold Rush dead.

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

Magical-looking cottages that inspired one of the most famous animated films ever.

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