Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

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

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Venue for strange sideshow displays and musical acts.

An emporium for the weird, creepy, rare, and just plain gross.

Continuing the tradition of the dime museum in style.

Towering basalt columns, a creation of fire and ice.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Enormous lake at the bottom of a unique cave system.

A semi-scholarly approach to sex.

The final resting place of New Orleans' most famous voodoo priestess.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Eighteen miniature death-scene dioramas.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

This shop specializes in oddities and Victorian-inspired wonders.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.