Get lost among Tarangire National Park's enormous baobabs by hopping into a four-wheel drive. One of the greatest spots to watch migrating elephants is in this reserve in northern Tanzania, which is the sixth-largest national park in the nation. This is especially true during the dry season (from July through October), when up to 10,000 of the enormous creatures are drawn to the Tarangire River.At this time of year, you can also see lots of giraffes and buffalo, as well as the predators that follow. Giraffes in Tarangire National Park in a herd. Credit for image: iStock.com/vlapaev. In Tarangire, the drought (March to May) is severe.You'll have the reserve pretty much to yourself, and the lush emerald grass and menacing thunderclouds provide for a terrific background.