An old-timey medicine shop that once served Chinese laborers during the Gold Rush is still open for business to this day.

Eclectic collection of dark and macabre antiques.

The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

Special tunnels built so that frogs won't be killed when crossing the highway.

Outsider art or homage to aliens?

Seven ceramic sculptures are scattered around this California college campus.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

If you dial the number in this abandoned office window "Sam Spade’s" secretary will ask you to leave a message.

An eccentric home stands out in an otherwise average neighborhood with mosaics, mini topiaries, and kinetic sculpture.

The largest drain hole in the world.

A huge collection of rocks, gems, and crystals.

A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

The fossilized remains of ancient California redwoods.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

Giant jewel-toned statues fill the grounds of this Cambodian Buddhist temple in California.

Wheels of chrome by the thousands adorn this California Historical Landmark.

Over 300 taxidermied animals in a Californian restaurant make for a taxidermist's dream and an animal lover's nightmare.

This collection of hand fans doubles as a history of femininity.

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

A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."