I've found 4 self guided tours

Independent Wonders of Southern Africa

A menagerie of wild creatures on safari in a private game reserve. In Cape Town, spectacular views from the Cape of Good Hope are the order of the day.

Independent South Africa, Zimbabwe & Botswana

A variety of experiences await including moving history in Johannesburg, magnificent landscapes in Cape Town

Independent South Africa & Victoria Falls

Independent South African Sojourn

In Cape Town, spectacular views from the Cape of Good Hope are the order of the day, delivering astonishing panoramas, peninsulas, and African penguins playing in the surf of Boulders Beach.