Mysterious events, compelling figures, and great unanswered questions from the past are explored in this National Geographic series.
Seasons
4
Episodes
27
Status
Ended
Jordan Romano
Howard Hughes
For Heaven's Sake
2021
Extreme Flights
2018
Merseyside Detectives: The Murders of Ashley and Olivia
2024
Mummy Mysteries
2020
Antiques Roadshow
1979
Close Encounters
2014
What Lies Beneath
Keep Sweet: Pray and Obey
2022
Time Team
1994
Ciencia vs. Cáncer
Nurseries, raids on babies
2025
Aarushi: Beyond Reasonable Doubt
2017
Uppdrag granskning
2001
Planeta záhad
1996
Mastermind of Murder
West End Murders
Trace, Track, Get My Car Back
Psychedelica
XY history
Circuit
2019