Explore the lands where Vikings sailed on a luxurious cruise from Helsinki to Copenhagen, aboard the three-masted sailing yacht, Sea Cloud II. Discover the cultural highlights of Helsinki, during an overnight stay in this vibrant capital. Attend a private concert at St. Nicholas Church during a morning in Tallinn, Estonia. Spend an afternoon in the medieval town of Visby, on the Swedish island of Gotland. Overnight on board in Stockholm to visit the Royal Armory and view a 17th-century warship at the Vasa Museum. Enjoy an exclusive organ performance at the Dome Cathedral in Riga, Latvia.