At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A unique market that brings together various goods and cultures.

A gap in the concrete has been transformed into a miniature playground for the mind.

Dive bar built out of the remains of a whaling ship.

This mysterious series of teeny guerrilla installations sheds a whimsical light on street art in Oakland.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This giant shopping mall still holds signs of its automotive past.

A Mysterious Masonic tomb in San Luis Obispo.

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

The world's first motel is now an administrative building for an apple farm.

The second-largest giant sequoia in the world.

This ramshackle ghost town is comprised of mining-era buildings collected from around the region.

This impressive tunnel was dug entirely by hand over the course of 36 years.

The liveliest ghost town in the state.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Everything you always wanted to know about borates is here.

A dry lake is what remains of a community founded on a real estate scam.