A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.

The Hopi-style structure was built by the man who discovered Desert Hot Springs' famous mineral water.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

This former stomping grounds of the most eminent astronomers of the early 20th century.

The show's fictional Korean medical camp was created in the Santa Monica hills.

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

Early prototype for Frank Lloyd Wright's Guggenheim.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

A beloved carnival gets a modern makeover in Los Angeles.

A small medical museum with a recreated doctor's office.

The sun acts as a key that only fits this giant keyhole twice a year.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

Celebrating the transformation of trash into objects of beauty.

Pay your respects to a folk-punk legend.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.