Episode Detail: Lost Road of the Inca; Tiger Shark; Shark Bites - National Geographic Explorer
Segments include a look at how the past and present intersect in South America, where writer Karin Muller explores the ancient Inca empire while detailing the reasons for recent riots in Ecuador and poverty in Peru. Also, a look at the tiger shark, one of the ocean's greatest predators; and an underwater photographer returns to the South Pacific to profile the sharks that attacked him.