The highest point in Tanzania (and Africa) is Mount Kilimanjaro, a volcano which reaches 5,895 metres.
The Great Rift Valley, which runs through the middle of Tanzania, was formed twenty million years ago; it was created when the earth's crust ripped apart.
Tanzania shares Lake Victoria with Kenya and Uganda. The lake is one of the world's largest lakes.
Lake Tanganyika is one of the world's deepest lakes forming a natural border between Tanzania and the Democratic Republic of the Congo.
Rock art found in Tanzania dates back to the Stone Age.
The Ngorongoro Conservation Area in Tanzania is a huge crater which is home to many wild animals.
Large herds of animals roam the Serengeti Plains. An annual migration of gazelles, wildebeest and zebras (followed by their predators) is made to find water.
"Serengeti" is derived from the Maasai word for "endless plains".
Zanzibar was the main slave trading port in East Africa. Dar es Salaam has one of the world's largest natural harbours.
The name "Dar es Salaam" means "haven of peace".