This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Concrete strongholds stand guard over the Golden Gate.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

A ghost town originally established and governed solely by Black Americans seeking a place of their own, free from discrimination.

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

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

27-room home built with the fortune of a sugar magnate.

This giant temperature attraction created some giant electric bills.

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

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

Art in the form of a winding, man made crack in stone.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

A historic hotel in an old California railroad town with a rowdy reputation.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

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

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

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The southernmost outpost of the Russian Empire in colonial America.

The Giant Lemon of Lemon Grove.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.