Africa has a name for the most magnificent beasts on the continent -- the legendary Big Five: elephant, lion, water buffalo, rhino and leopard. But now there are other giants that must be recognised. Half a world away there is an ensemble of creatures born of equal power and majesty -- a new Big Five, the titans of North America.
"America's Greatest Animals" takes you on a journey across North America to meet its legendary creatures. Which iconic animals deserve to make the list?