Rex's Fun Facts
Rex is digging up facts...
Secrets of the Underground
Discovery+ Amazon Channel
5.5(4 votes)
2017 - 2017
2 Seasons
EndedRealityDocumentary
Overview
A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.
Trailer
You Might Also Like
Lost Gold
2017
8.0
Nak
2023
9.8
JQ Knew That
2021
8.3
Restored
2016
Spark
1997
5.5
The Guardian Legend
2023
7.0
The Office
2017
3.0
Blowing LA
2022
8.0
Go Nagai World
1991
8.0
The Jacksons
1976
9.0
Riverworld
2010
3.9