out-of-place artifacts
Discussed across 7 episodes of Ancient Aliens.
Episodes
- S8E3 Mysterious Devices 2014-06-27
- S16E7 Impossible Artifacts 2021-02-19
- S17E7 Top Ten Alien Artifacts 2021-10-08
- S18E15 Ancient Aliens on Location: Mysterious Artifacts 2022-08-05
- S19E12 The Top Ten Mysterious Devices 2023-07-07
- S21E1 The Top Ten Extraordinary Discoveries 2025-02-07
- S21E4 The Top Ten Unexplained Technology 2025-02-28