SERENGETI NATIONAL PARK, TANZANIA

Tanzania’s oldest and most popular national park, also a world heritage site and recently proclaimed a 7th world-wide wonder, the Serengeti is famed for its annual Great Migration, a 1,200-mile odyssey of 1.5 million wildebeest and 200,000 zebras, all of them chasing the rains in a race for life, while being purchased by an incredible amount of predators. Your chances of watching a kill are pretty high when you visit the area in the right season, when 40km (25 mile) long columns of animals plunge through crocodile-infested waters on the annual exodus north (June) or when they replenish their species in a brief population explosion that produces more than 8,000 calves daily (February).