Last week, we talked about deep sea archaeology and the shipwrecks of ancient Greece. But you don’t have to go to the Mediterranean for archaeology. The wreck of the eighteenth century pirate ship Whydah lies just off the coast of Wellfleet. Over two hundred thousand artefacts have been discovered on the wreck. Cape Cod Times' Merrily Cassidy visited with underwater explorer Barry Clifford to learn about his recent discoveries.