An essential stop before plundering, BYO Cutlass.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

A bizarre house filled with an astounding array of collections.

At night, a grove of towering redwood trees growing through the pavement block out all light from the so-called “Dark Park” of Madrone Avenue.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This large, circular tomb is the final resting place of the first emperor of Rome.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

A regular looking rock with an unbelievable history.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The little tuxedo cat survived the trip, then languished in obscurity.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

According to one local legend, this image was created during a battle between a wild lioness and the archangel Michael.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

A charming, homemade vending machine dispenses burgers and sandwiches at this hole-in-the-wall bakery.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

This underwater sculpture park is the basis for a manmade coral reef.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

A darkly erotic open-air statuary in Catalonia.

Chiseled out of a sandstone cliff, one farmer's unfinished art project lies in ruins.

This giant squid sculpture sits near the spot where a real-life specimen was captured in the late 19th-century.

An architectural marvel that dates back to the zenith of Indian architecture.