Mysteries of the Abandoned

An underground labyrinth once used by a secret police force could warp the mind and turn friend into foe; experts turn up new evidence pointing to madness, murder and mayhem, revealing what happened in these cursed tunnels and why it was abandoned.

Deep in the wilderness of the American South, a long-abandoned amusement park is home to secrets of a forgotten, imaginary world; experts reveal why this bizarre place was built and what caused its downfall.

A Mediterranean island paradise is not all that it seems; a complex of abandoned buildings once served to imprison the world's most dangerous Mafiosi; experts reveal who was imprisoned here and the secrets they left behind.

Places that were once home to Hollywood films and world-famous musicians are now run-down, abandoned and off limits; experts investigate their mysteries and reveal the astonishing secrets behind 10 of the world's most iconic abandoned places.

A deserted facility in the remote countryside features mysterious graffiti that may be highly advanced mathematical equations pointing to a dark secret; experts investigate this classified military wasteland with a deadly past.

Remnants of a town in the remote backwoods of Kentucky suggest a forgotten tale of catastrophe and devastation; experts investigate and uncover the history of a deadly industrial mining complex.

The remnants of a settlement in Nevada are interspersed with disintegrating machinery; experts uncover an abandoned mine where dreams of discovering a fortune were met with chaos and murder.

A complex of tall, windowless buildings in the American Rust Belt hold the secrets to a lost empire of industry and wealth; experts investigate these mysterious structures to reveal why this once powerful metropolis is now home to abandoned ruins.

Experts expose the truth behind a strange, battle-scarred building in the Middle East that holds the secrets to one of the world's most infamous deceptions.

Abandoned hangers and bunkers populate a bizarre facility in the middle of nowhere, but among them are other structures whose purpose are oddly obscured; experts investigate a highly-classified military cover-up with extraterrestrial objectives.

The ruins of a historic Scottish castle is now a bewitching wilderness of hidden dangers with deadly booby traps obscured afoot; experts and historians reveal a bygone Second World War military hospital with bizarre ties to an infamous Nazi occupant.