It's a toss-up between the Russell's viper and the Spectacled cobra, both
found in South Asia. Their venom is deadly, but it's their close proximity
to people that makes them the world's leading killers.
Rattlesnake Road Trip Premieres Wednesday, March 19, 2003 at 8 p.m. ET/PT on the National Geographic Channel Jim Harrison's been a bounty hunter, stuntman and copbut these days he's taking it easy. Visit his zoo that houses over 1,000 of the world's most lethal snakes!