Every year, over 1.5 million wildebeest, along with hundreds of thousands of zebras and gazelles, walk across the plains of East Africa in search of fresh grass and water. This journey is called the Great Migration. It is one of the largest movements of land animals on Earth, and it is often called one of the greatest wildlife spectacles in the world. The most famous part of this journey happens when the herds cross the Mara River in Kenya. Thousands of animals leap into the water at once while crocodiles wait below. Big cats, hyenas, and other predators follow the herds closely. This mix of danger, drama, and raw nature is why so many travellers dream of seeing it in person. For