During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

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

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Architectureal fantasy quarter of Rome.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The deserted pirate-themed restaurant still entices explorers.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Nancy Thompson's Home from "A Nightmare on Elm Street."

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

"The greatest unknown literary treasure in Los Angeles."

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.