A mountain of conch shells created by centuries of fishermen.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

An abandoned lot littered with concrete debris was once the home of the world's first female railroad president.

This fully intact Neoclassical-Greek Revival style firehouse operated until 1938.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The legendary building that needed ghostly approval before being built.

The last Americana on Route 66.

Decommissioned experimental solar facilities that pioneered solar energy technology.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

A museum dedicated to restoring vintage aircraft, located at a working airport.

A fine mixture of the old and the new topped with an art deco neon spire.

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

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

A rich history stashed behind an unassuming door in the heart of Gold Country.

Sports history, made in the Arroyo Seco.

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

The first U.S. town to secede from the Union, only to vote themselves right back in.

More than 700 species live within this murky marvel of a swamp on California's coast.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

A stranded woman lived alone on this remote island for 18 years, inspiring the great children's novel "Island of the Blue Dolphins."

A remote crossroads honoring a fallen talent.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Concrete strongholds stand guard over the Golden Gate.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.