As 'Shark Week' looms, so might giant Megalodon - Discovery Channel releases video showing what it claims to be evidence that gigantic monster predator, thought to be extinct, still exists | GrindTV.com
Megalodon Sharks still lives!! Evidence that MEGALODON is not extinct. Is a 60-foot prehistoric shark named Megalodon still out there? Sightings of massive sharks around the world suggest to some that it's possible.