Clementinum
40sWhat you're standing near was once the most ambitious Jesuit project in Central Europe. Founded in 1556, when Emperor Ferdinand I invited the Jesuits to counter the Protestant Reformation, the Clementinum grew over two centuries into a vast complex of churches, libraries, and astronomical towers. By the 18th century, it had absorbed Charles University itself, becoming the intellectual heart of Bohemia. Its Baroque library hall, completed in 1727, housed one of the finest collections in the empire. Napoleon's troops even stored confiscated books here. Today it remains a monument to centuries of knowledge, power, and religious ambition carved in stone.