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

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

This diner's a kitschy dreamland for anyone whose heart is stuck in the 1980s.

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

Eclectic collection of dark and macabre antiques.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

This former boomtown "island" is now submerged below Folsom Lake.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

The oldest orange tree in California spawned a generation of citrus farmers.

Downieville's largest Gold Rush structure still standing has one of the longest bars in California.

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

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

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

A watering hole where the options for seating include a bar, patio, or subterranean cave.

A giant roadside black bird marks the location of this eclectic local mall.

A hotel and restaurant serving as the mecca of kitsch.

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

A strange house built only at night, with rumored mystic inspiration.

A hand-built folk art installation covered with messages of God's love.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A snapshot of the city's fascinating voodoo culture.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.