Kilimanjaro Serengeti Tours and Safaris is a tour operator that runs tours in Tanzania and Uganda. They have tours listed online that include things like climbing Mt. Meru and Mt. Kilimanjaro, cultural tours, wildebeest migration, hot air balloon safaris. You can also plan a beach holiday to Zanzibar Island. Their tours in Uganda feature Gorilla trekking in the forests of three different national parks which you can choose from.