Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Final resting place of one of the classic authors of horror literature.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

17th century puritan church with connections to the Salem Witch Trials.

Six neolithic sandstone boulders remaining from a dolmen.

A thousand year old oak tree survives in Liverpool.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Protecting the dead from opportunistic body snatchers.

After Havre burned down, the best place to build was under the ashes.

A 18th century graveyard and its astonishing cortege of macabre iconography.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Survival capsules find a second life as a unique hotel.

Hunt for buried treasure in Nova Scotia.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

The resting place of 18th century German mummies.

Executed in 1401, Exhumed in 1878, Stolen in 2010.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

An intricate and amazing house built by architect Karl Junker.

Where Agatha Christie mysteriously disappeared in 1926.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".