The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This South London cemetery holds the remains of more than 15,000 people.

A beautiful geyser under environmental threat.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

A rare view of a preserved Victorian science museum.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This abandoned amusement park was built on a site with a dark history.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Stunning wetlands ablaze with pink lotus flowers.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

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

This shop specializes in oddities and Victorian-inspired wonders.

Resting place of Hollywood's immortals is also site of summer film screenings.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The atmospheric road was never meant to be so creepy.

A taste of the macabre Tokyo's ritzy shopping district.

Continuing the tradition of the dime museum in style.

Stroll through a wonderland of stupendous moss-covered trees.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

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