Watch Secrets of the Underground Online
Want to stream Secrets of the Underground? IBO Player brings Secrets of the Underground to every screen you own in 4K Ultra HD. Here is everything you need to watch it.
Watch trailer
What is Secrets of the Underground about?
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.
Latest episode
S2 · Episode 8 — Quest for the Gold Rush Fortune · 2017-12-16
Millions of dollars of stolen Gold Rush treasure is rumored to have been stashed in a cave in Northern California. Rob Nelson and Stefan Burns use cutting-edge technology to search for the legendary treasure.
- Genres
- Reality, Documentary
- First aired
- 2017-02-14
- Rating
- ★ 5.4 / 10
How to Watch Secrets of the Underground on IBO Player
Watching Secrets of the Underground on IBO Player takes about a minute: start a free trial, open the app on your TV, phone, Fire Stick or browser, and press play — all in 4K Ultra HD.
Start Watching Secrets of the Underground Today
Start your IBO Player free trial and watch Secrets of the Underground today, along with thousands of movies, series and live channels in 4K Ultra HD.
