Explore the underground fortress, burrowed into Gibraltar’s famous rock, where Winston Churchill strategized. Britain’s Royal Engineers and a contingent of Canadian engineers constructed a network of tunnels between 1939 and 1944, extending earlier 18th-century passageways, to protect Gibraltar in case of attack by German and Italian forces. The military maze has been open to the public since 2005, and artifacts and photographs on display capture the realities of life here during the war.

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