Mysterious shadows. Screams in the night. A hair-raising sense that something is watching. Stories of the unknown capture our imagination and curiosity in Destination America's new series MONSTERS AND ...

Explore ancient mysteries and theories about alien involvement in ancient civilizations, from the Nazca lines to Puma Punku.

Streaming platforms for Alien Signs: The Message: The Crop Circle Mysteries haven’t been announced yet. Check back soon for updates on where you can watch it online.