Is the Washington Monument an alien communication device? - Ancient Aliens
Obelisks are littered throughout human history. But, are these monuments merely a relic of ancient power, or do they serve an intergalactic purpose? Investigators circle the globe in search of evidence in their quest to determine whether life on Earth began in outer space and if aliens influenced mankind in ancient times. Did extraterrestrial beings visit Earth and share information about technology and influence human religions?