Capetown ("Kaapstad" in Afrikaans) is one of the most beautiful major cities in the world. It is the meeting point for two oceans with mountains and a natural harbor. Thanks to its nature many migrants moved there and movies were recorded there. Activities may include surfing, fishing, shark watching (!) or just walking and enjoying. Note that the area also produces good wines...
Addo Elephant National Park is a diverse wildlife conservation park in South Africa and is one of the country's 20 national parks.
Bloemfontein (Dutch: "Flower Fountain") is one of the three capitals of South-Africa and a major city. This could be a major connection or a stop for wine-drinking or ostrich riding.
Blyde River Canyon (Dutch: "happy river canyon") is one of the largest and certainly greenest canyons on Earth.
Durban is the 3rd largest city and the busiest port in South-Africa. Durban is a ethnically diverse city, with large Zulu, White, and Indian/Asian populations.
Hermanus is a city on the South-Coast where you may watch Whales from the coast, without the need for a boat, when the season is right.
The Kruger National Park is one of the largest game reserves in the world. The big five and many other animals have their home here. The location north-east of Johannesburg makes it an easy destination.
Port Elizabeth is one of the largest cities in South-Africa. Portuguese, Dutch and English history left its traces.