The court moved with the Emperor and Empress from palace to palace each year following a regular calendar. At the beginning of May, the Emperor and court moved to the Château de Saint-Cloud for outdoor activities in the park. In June and July, they moved with selected guests to the Palace of Fontainebleau for walks in the forest and boating on the lake. In July, the court moved to thermal baths for a health cure, first to Plombières, then to Vichy, and then, after 1856, to the military camp and residence built at Châlons-sur-Marne (nowadays: Châlons-en-Champagne), where Napoleon could take the waters and review military parades and exercises. Beginning in 1856, the Emperor and Empress spent each September in Biarritz in the Villa Eugénie, a large villa overlooking the sea. They would walk on the beach or travel to the mountains, and in the evenings they would dance and sing and play cards and take part in other games and amateur theatricals and charades with their guests. In November, the court moved to the Château de Compiègne for forest excursions, dancing and more games. Famous scientists and artists, such as Louis Pasteur, Gustave Flaubert, Eugène Delacroix and Giuseppe Verdi, were invited to participate in the festivities at Compiègne.