Season 1, Episode 2

Investigating Dark Secrets

Newly declassified documents could link the Roswell crash to Nazi science and reveal what's really hidden inside Area 51. Shocking new theories about the Mantell incident are revealed. Scientific evidence may explain a UFO encounter in Texas.
See Tune-In Times
The Unexplained Escape
Air Force Treasure Hunt


8am | 7c
8:30am | 7:30c
9am | 8c
10am | 9c
11am | 10c
12pm | 11c
1pm | 12c
2pm | 1c
3pm | 2c
4pm | 3c
On Tonight
On Tonight

Expedition Bigfoot

8pm | 7c

Stream discovery+

Your favorite shows, personalities and exclusive originals. All in one place.

Subscribe Now

What's New in Shows

Follow Us Everywhere

Join the party! Don't miss Travel Channel in your favorite social media feeds.