Ancient Aviators
- Episode aired Apr 24, 1977
- Not Rated
Are there signs of alien visitation here on earth? Might the mysterious markings on the Nazca Plain in Peru be landing instructions for UFOs?Are there signs of alien visitation here on earth? Might the mysterious markings on the Nazca Plain in Peru be landing instructions for UFOs?Are there signs of alien visitation here on earth? Might the mysterious markings on the Nazca Plain in Peru be landing instructions for UFOs?