Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

A small Richmond island dotted with the remnants of hundreds of years of history.

A work of art that pays homage to a Victorian timepiece in Providence.

A simple Colonial home with a past haunted by death and madness.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

Rumors of the occult haunt this upscale 1920s hotel.

This 3,500 pound obelisk was constructed with more than 1,000 reclaimed guns.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

The final resting place of a space program monolith.

The private clubhouse for the members of the Academy of Magical Arts.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.