Elephant. Leopard. Lion. Rhinoceros. Cape buffalo. A century ago, these iconic land animals of Africa were termed 'the big five' by trophy hunters. They dominate the land with intelligence, charisma and courage. Truly Africa's finest. Now, go on a search to find America's 'big five.' Can America compete with Africa's beasts? Twelve candidates with amazing characteristics are nominated, including caribou, grizzly bear, bald eagle, wolf and elk. Which ones are worthy of this honor?