San Francisco's newly reopened hands-on science museum.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

An unusual round church in London with a Templar past.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A hotel and restaurant serving as the mecca of kitsch.

Elevated freight railway turned wildly successful urban park.

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

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Continuing the tradition of the dime museum in style.

A walk through the historic city center, under the streets of Seattle.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Tucked in the back of this amazing antique store is an important piece of medical history.

The fairy tale castle of the "fairy-tale king."

A terrific purveyor of natural history objects and curios.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.