Ouvrage Hackenberg in France: A fort that was part of a few battles during World War II

Andersonville Prison – A POW Inferno

Sarajevo’s secret tunnel of hope – dug by hand by workers paid in cigarettes

Sinop Fortress Prison: escaping from this former Turkish prison was an impossible task

Castle Stalker: the castle from Monty Python and the Holy Grail

Yeni Mosque in Mytilene, Greece: A ruined monument from the rich Ottoman history of the island of Lesbos

Snaefell Mine and the sad death of nineteen of its miners

The remains of Cisco, Utah: The town that was immortalized by Johnny Cash in one of his songs