The Wedge of Aiud. The Antikythera Device. The Bridge of Rama - how did these Out of Place Artifacts come to exist thousands, or millions, of years ago when humanity was only known to be a primitive race of hominids...or even non-existent? Did ancient UFOs touch down, convince the primitive peoples of earth that they were gods, and taught them their highly advanced ways...or do we really just not understand that much about our ancient past and are filling in ancient aliens as a placeholder? We don’t know, but our plucky Ancient Astronaut Theorists sure think they do! Let’s proooooooooooooooooobe into Season 16, Episode 7 of History Channel’s ‘Ancient Aliens:’ Impossible Artifacts!