A sweet symbol marks the place where torturous executions were once carried out.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

The official meeting point for the oddly named governing assembly of ancient Sweden.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

Homestead Cemetery hold the remains of the United States' first known professional tattoo artists.

Eulogizing an unknown man's unusual demise.

The oldest military monument in the United States.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

A mysteriously dark cemetery monument fuels stories and legends galore.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

The remains of the worst military aviation accident in Canada's history.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

Disused penal colony features prisoner artwork, some sketched in human blood.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

A stone in Wolin, Poland, marks the possible location of a legendary Viking fortress.

The suspected burial mound of legendary Viking Björn Ironside.

This Old West prison built into the side of a cliff was said to be inescapable.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

"Only the dead get off at Kymlinge."