Virunga

Beginner's challenge: Pry yourself off of the cats near the landing-point that beg for your attention and explore the sim.

Intermediate challenge: Try to stay out of hospital for 30 minutes.

Advanced challenge: Meet Dian Fossey. As in actually go to her. Without using landmarks.

Expert challenge: Get a bus and drive it to at least one bus stop. https://opensimworld.com/post/92234

African dancers, elephants to ride, awesome huts with animals that have been brought to life. You will feel as if you are in Africa, you will also find yourself returning to this region. Each time you do, you will see something you did not see before. Layers of thought went into creating this, it is spectacular!