Videos

Ivan Sanderson

(3) tv-pg

Ivan Sanderson

(3 min) tv-pg

In this UFO Files video, brought to you by the History Channel, learn about Ivan Sanderson, a zoologist and British spy who wrote a landmark book, Invisible Residents, talking about unidentified submerged objects. Sanderson theorized that there is a line connection of vial vortices that have caused many ship wrecks and also may be home to USOs.

Full Episodes

Web Exclusives