If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Tiki luxury on Nob Hill.

One person's lost luggage is another person's treasure.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

San Francisco's newly reopened hands-on science museum.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A self-built castle made by a mysterious man.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Where beautiful signs live on forever.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A speakeasy takes on Chicago's drinking culture.

A castle that was built stone by stone by an eccentric journalist.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Hollowed out cedar log tubs set in an ancient towering forest.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Odd outsider art installations surround a Gold Rush-era ghost town.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.