I Street Bridge is the heaviest swinging center bridge in the United States.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

The tallest bridge in California was constructed for a project that was eventually cancelled.

A dentist's hated concrete colossi are now beloved icons of the community.

The longest covered bridge west of the Mississippi River.

A popular tourist cave with a dark past.

California's longest-running tourist attraction is a stump.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."

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

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

Art Deco stylings conceal the true nature of this bridge.

The California capital city once stood 10 feet lower than it does today.

Its dark depths conceal millions of rare, delicate crystal formations.

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

Bits and pieces from the ill-fated Donner Party's winter cabins.

A statue commemorating the heroic life of a Viking postman who was the Godfather of California skiing.

This trailside hut was built in the late 1930s as a memorial to a young hiker.