Amboseli National Park
The park is famous for its picturesque sightings of elephants grazing against the backdrop of Mt. Kilimanjaro, the highest free-standing mountain in the world and the tallest in Africa. Apart from guaranteed elephant sightings you’ll also see wildebeest and zebras, and you’ve a reasonable chance of spotting lions, cheetahs, and hyenas.
The park is also home to over 370 bird species, and it has an excellent array of lodges and an agreeably mild, dry climate.