An archaeological dig last month at Scotland’s Culzean Castle revealed a previously hidden doorway to one of the two caves, as well as a trove of 18th-century wine-bottle fragments and other goodies, possibly obtained through the dubious channels of smugglers. Also in Wine Spectator’s Unfiltered, Plus, charity wine extravaganzas?with Jackson Family Wines and Leonardo DiCaprio, Staglin Vineyard and Jennifer Hudson, and Alex Guarnaschelli and dragon boats; and Mumm sends Usain Bolt on space Champagne mission.