In Mexico, an American cowboy (Guy Madison) and local ranch hand (Carlos Rivas) discover cattle are going missing on land near Hollow Mountain… an impenetrable swamp where, stories have it, dwells a living prehistoric Tyrannosaurus rex.
In Mexico, an American cowboy (Guy Madison) and local ranch hand (Carlos Rivas) discover cattle are going missing on land near Hollow Mountain… an impenetrable swamp where, stories have it, dwells a living prehistoric Tyrannosaurus rex.
