The world's first permanently occupied mountain-top observatory continues to report on the stars.

A giant can of fruit cocktail is all that remains of what was once the world's largest cannery.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

An extensive collection of ancient Egyptian artifacts and mummies.

The headquarters of a secretive order is also a beautifully-designed park.

The largest drain hole in the world.

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

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

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

An vast warehouse of everyday treasures in Berkeley, CA.

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

A classically inspired temple in Redwood City.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

This abandoned boat was left in place thanks to its rotting beauty.

An enchanting tunnel of cypress trees leads to an old morse code station still used today.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Haunting and beautiful trees, doomed to die.

This Japanese national treasure was originally built in 593.

Steaming blood-red hot spring from hell.