Gerald Easter and Mara Vorhees talk about the voyage of the Vrouw Maria and the long quest to find the ship under the waters of the Archipelago Sea off the coast of Finland. Easter is a professor of history at Boston College. Vorhees is a travel writer for Lonely Planet with an expertise in Russia, New England, and Central America. They are the authors of The Tsarina’s Lost Treasure: Catherine the Great, a Golden Age Masterpiece, and a Legendary Shipwreck.