Old Quebec City is home to impressive fortifications that played a crucial role in the city's defense. Take a walk along the fortified walls, which offer panoramic views of the city and the St. Lawrence River. Visit the Citadel, a star-shaped fortress that is still an active military installation. Explore the Martello Towers, small defensive forts that dot the landscape. Learn about the city's military history through interactive exhibits at the Musée du Fort or take a guided tour to delve deeper into the fascinating stories behind the fortifications.