A huge musical instrument played by the ocean.

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

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.

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

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

This 19th century hydroelectric powerhouse was the first of its kind.

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

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

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

A Tibetan Temple and Buddhist organization just off the beaten path in Northern California.

Commonly referred to as the most photographed Victorian home in the United States.

A quirky collection of outsider art made from automobile parts.

The first and only American institution dedicated to the enduring value of comedy in the United States.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.