The storied Venetian trader escapes bandits, rampaging rivers, and sandstorms to reach Kublai Khan's court in far-off China in this first of three articles. These elusive cats rank among Latin America's supreme predators.
Conservationists seek to connect their isolated refuges.
Watch wild jaguars being radio collared and hear the big cats roar. Black Sea Mysteries Ancient shipwrecks and telltale shells bring to life epics of distant trade and a prehistoric flood. An underworld of hydrogen sulfide harbors life-forms awesome and awful. Victims of pollution, disease, and habitat loss, amphibians are vanishing all over the globe. Pull the rig into this mammoth truck stop and get a meal, a shower, and some spiritual renewal.