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

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

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

A strange house built only at night, with rumored mystic inspiration.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

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

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

Golden Gate Park's historic collection of plants.

San Francisco's first World's Fair, dedicated to the wonders of California.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

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

A monument to the love people have for their pets.

A miniature view of the park, caught in time.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The most loyal of little dogs, or a Victorian era publicity stunt?

A local dialect born in the late 19th century is only spoken in this isolated California valley.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

Concrete strongholds stand guard over the Golden Gate.

Internationally-recognized arts center housed in a century-old former military barracks.

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