S1, E6: Many Americans descend from a variety of European ethnicities, with ancestral roots across every country in Europe. Actors Robert Downey, Jr. and Maggie Gyllenhaal are textbook examples of Americans with a rich medley of European immigrant stories in their family trees. Delve into their deep American roots in early colonial communities and meet their Eastern European Jewish ancestors, who share almost identical migration stories. From the Mayflower to Ellis Island, journey through centuries of immigration that shaped and built this melting pot nation.