America's oldest archaeological site or a muddled case of wishful thinking.

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

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

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

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

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

This landmark cemetery in Boston was created more than 300 years ago.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

A salty cave excavated by elephants and the location of a deadly disease vector.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

A mysterious air force base built to resemble a Long Island fishing village.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The ancient tomb acts as a calendar that keeps perfect time.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

The largest medical and anatomical collection in France lies hidden from the public.