During a working visit in Johannesburg, I found a few hours, which I took to nature.
Since Lions Park is located close to town I chose visited there.
Advantages of the place are:
1. Petting lion cubs.
2. The park provides a close encounter with the lions.
The disadvantages are:
1. Except lions and Wild Dog, the place does not offer any special animal viewing (maybe far away giraffe).
2. Guided tour only goes one for two hours, so if you miss it, you're stuck for two hours without doing anything.