Find out more about the history of the Charles Bridge, one of the most iconic pieces of architecture in Prague. Learn about the bridge’s medieval construction, its status through time, and learn about its more recent repairs. See the world’s largest and most detailed model of the Gothic bridge’s construction. The detailed model features hundreds of figurines of workers on the bridge and dozens of models of the machinery used for construction. Get an idea of what Prague’s Old Town looked like in the Middle Ages. The museum is located in the Baroque building of the Military Order of the Crusaders of the Red Star, established by Saint Agnes of Bohemia in 1252.