Don learns of the Affair of the Diamond Necklace started by an 18th-century con artist named Jeanne de Valois-Saint-Rémy that involved Marie Antoinette and the greedy Cardinal Rohan in France's Château de Versailles. Discovers Kynžvart Castle in Czech Republic was the setting of a bare-chested duel between two hot-headed socialites—Princess Pauline Metternich vs. Countess Anastasia Kielmannsegg. Visits Königstein Fortress, where imprisoned French general, Henri Giraud once made a daring escape to freedom during World War II. Explores the secrets behind Harry Houdini's estate hidden in Hollywood Hills, California.