Baden-Baden is a spa town in southwestern Germany’s Black Forest, near the border with France. Its thermal baths led to fame as a fashionable 19th-century resort. Alongside the Oos River, park-lined Lichtentaler Allee is the town’s central promenade. The Kurhaus complex (1824) houses the elegant, Versailles-inspired Spielbank (casino). Its Trinkhalle has a loggia decorated with frescoes and a mineral-water fountain.