In Search of Aliens: Temporada 1, Episódio 8

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The imposing city of Washington D.C. was inspired by the ancient world, as seen in the Greek pillars, Roman domes and even an Egyptian-style obelisk that mark the landscape. But is it possible that the designs and philosophies enshrined in the streets of the U.S. capital were influenced by an otherworldly source? Ancient Astronaut theorist Giorgio A. Tsoukalos travels to Washington D.C. and Philadelphia to investigate the origins of the American democratic experiment. Did George Washington have an alien encounter at Valley Forge--one that gave him mystical protection throughout the American Revolutionary War?