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

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A toxic ghost town sitting atop a massive coal fire.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

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

Rippling sand dunes frozen in the Arizona rock.

World's largest collection of serial killer artwork and other macabre exhibits.

A tunnel with windows, so you don't miss out on the impressive views.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

A tropical paradise once home to space exploration and military installations.

Where a rare geological phenomenon created a section of rock that resembles a checkerboard.

A wall of chewing gum moonlights as collective art.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world’s first penitentiary, meant to be humane, drove men insane.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.