Things get weird when paranormal radio host, Art Bell, receives strange metallic fragments in the mail in this clip from Season 18, "Ancient Aliens On Location: The UFO Investigations." #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: ...

Experts do some digging after someone reports receiving strange packages, in this clip from Ancient Aliens. #AncientAliens Subscribe for more from Ancient Aliens and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Find out more about the show and watch full episodes ...