Kenya » Maasai Mara » Maasai Mara National Reserve The Great Wildebeest Migration, is one of the “Seven New Wonders of the World”. No where in the world is there a movement of animals as immense as the wildebeest migration, over two million animals migrate from the Serengeti National Park in Tanzania to the greener pastures of the Maasai Mara National Reserve in Kenya during July through to October.