Odd stone and concrete monuments in the "Poet of the Sierras" eclectic folly garden.

The rusting remains of the largest assembled WWII fleet on the West Coast.

The oldest Naval chapel in the United States is home to an incredible collection of Tiffany stained-glass windows.

The oldest Naval cemetery on the West Coast.

This sailor's boneyard was lost under a parking lot for decades before being rediscovered.

A 16th-century horror show built in a lovely Italian garden.

An entertaining journey through the odd and strange awaits visitors to this shop.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

Malibu's first beach home features an astonishing trove of ceramic tiles.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

Abandoned in 2009, this once popular resort destination now stands frozen in time.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

A church of bones, decorated with 40,000 human skeletons.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

A flooded Mexican cave that hides a river beneath the water.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

This spot along the 23.5 degree north parallel marks the northern boundary of the tropics.

The singular ruins of a mysterious lost city.

A rocky shelter in the desert hides one of the largest concentrations of cave paintings in Mexico.

An often-shuddersome journey into a low-tech, robotic themepark.

Since ancient times these picturesque springs have been providing bathers with healing waters.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

Artist's eccentric property excessively decorated with found objects and work of his own.

Avant garde house of Pierre Cardin on the Cote d’Azur.