An iron monster lost in the Alaskan tundra, a Crusader fort thrown into a modern conflict, and a prison built to house a mafia kingpin.

A Middle Eastern region littered with ruins - the site of an extraordinary deception, an industrial relic in Buffalo that was the source of an unlikely American icon, the relics of a once thriving city-state in Tanzania, and a strange facility in Taiwan that struck fear into the hearts of those who knew its true purpose.