Palais de Charles de Lorraine. Place du Musée, 1. (Schedule as events held by the Bibliothèque royale de Belgique). <M> Gare Centrale. Tel 02 519 5595. Under a neoclassical facade, lies the Palace of Lonerna Carlos, who was governor of the city between 1744 and 1780. Currently the palace is managed by the Royal Library of Belgium that organizes guided tours and concerts. Severed head next to the library.