Québec City's Citadel (La Citadelle, in French) is the largest British-built fortress in North America; it took 30 years to ...
The citadel is surrounded on three sides by steep slopes and has massive stone walls between 2.5 m and 3.2 m thick, over 700 m in length and 10 to 15 m in height. Within the citadel, the ruins and ...