From Denmark to Sweden and everywhere in between, this trip will lead you through secret tunnels, into towers and turrets, and behind the scenes in some of the world’s most fascinating towns. Make your way through medieval ruins in Visby paddle a kayak on the tranquil Minija River in Klaip?da and see the UNESCO-listed buildings of Riga. Tour Tallinn’s underground passageways as you learn about its historic past, then spend two days in St. Petersburg and tour the Church of the Savior on Spilled Blood. Whether you seek art architecture, or music, St. Petersburg has something for everyone. Before ending in Stockholm, cruise into Helsinki, the white city of the north, take a scenic harbor cruise around charming bays and inlets, and visit an open-air market for the perfect present to pack in your suitcase.