Nikola Tesla was a prolific inventor who designed several groundbreaking inventions, including a death beam and a way to hide army ships. So advanced were his inventions that many believe Tesla had communication with aliens or otherworldly beings. 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?