A 1920s speakeasy that had rum runners racing up and down the shores of California.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

The most beautiful Taco Bell in the world even has surfboard parking.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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

A winding path built in secret on the edge of the continent.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

See what remains of a once grand ancient Roman circus.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

An extravagant western hotel where every floor is the "ground floor."

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

An artsy hidden staircase leads to breathtaking views of San Francisco.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.