Jeff explores a few of the most amazing historical sites in Europe. He discovers a 2,000-year-old Roman amphitheater while visiting Italy. In addition, he sails to the coast of France to visit a hallowed beach where Allied forces landed on Designated Day. Jeff tours the ancient castors built by the Celts in northern Spain, and he uncovers dinosaur fossils more than 150 million years old in Lisbon, Portugal.