The underground hideout of a Japanese soldier for whom World War II ended in 1972.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

This former iron ore mine comes alive with fascinating stories of its history.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This magnificent abandoned hotel has long been haunted by its Nazi past.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

A sober museum housed in the original administrative building of one of Stalin's largest gulags.

A surprisingly beautiful abandoned World War II military base in East Greenland.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

Guests become prisoners on a visit to Latvian prison.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.

A World War II officers' club features Old West murals painted by German POWs.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.

A Stalinist prison camp for the wives and children of men accused of betraying the Soviet state is now a memorial museum.

An abandoned Byzantine fortress and notorious prison.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

French prisoners carved these boats from the bones of their meat rations.

The site of one of the largest prison escapes of World War II.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

Colorful boxes placed over the dead are left to rot and crumble.

In Egypt's expanding metro area, many of the neighbors are dead.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

A chilling monument to Korean patriots who resisted the Japanese occupation.