The UnXplained Season 4 Episode 17
America's Lost Treasures
4 - 22Mysterious MonolithsDec. 16, 2022- 4 - 21Devastating DisastersDec. 09, 2022
- 4 - 20The Weird Wild WestDec. 02, 2022
- 4 - 19Secrets of the Founding FathersNov. 25, 2022
- 4 - 18The Bermuda Triangle and the BeyondNov. 18, 2022
- 4 - 17America's Lost TreasuresNov. 04, 2022
- 4 - 16Real Life MonstersOct. 28, 2022
- 4 - 15The Search for Extraterrestrial LifeOct. 21, 2022
- 4 - 14The Hunt For Jack The RipperOct. 14, 2022
- 4 - 13Wonders of the Ancient WorldOct. 07, 2022
- 4 - 12The Search For King ArthurJun. 24, 2022
- 4 - 11Surviving the ImpossibleJun. 10, 2022
- 4 - 10Mysteries of the Missing LinkJun. 03, 2022
- 4 - 9Superhuman FeatsMay. 27, 2022
- 4 - 8Superhuman FeatsMay. 20, 2022
- 4 - 7Speaking With The DeadMay. 06, 2022
- 4 - 6Multiple PersonalitiesApr. 29, 2022
- 4 - 5Acts of GodApr. 22, 2022
- 4 - 4Secrets of Abandoned PlacesApr. 15, 2022
- 4 - 3What Lies Below?Apr. 08, 2022
- 4 - 2The Mystery of GeniusApr. 01, 2022
- 4 - 1Mysterious Ancient RuinsApr. 01, 2022
