Johannesburg, also known as Joburg, is the largest city in South Africa and a hub for business, culture, and entertainment. While it may not be known for its natural beauty or wildlife, there are still many tourism activities and attractions in Johannesburg that visitors can enjoy, including:

1. Apartheid Museum - This museum offers a comprehensive history of South Africa's apartheid era, with interactive exhibits and displays that showcase the country's journey to democracy.
2. Nelson Mandela Square - Located in the affluent suburb of Sandton, Nelson Mandela Square is a popular shopping and entertainment destination with upscale stores, restaurants, and a statue of the former South African president.
3. Soweto - A township located just outside Johannesburg, Soweto offers visitors a glimpse into South Africa's rich cultural history, with tours of Mandela's former home and other landmarks such as the Hector Pieterson Memorial.
4. Gold Reef City - A theme park and entertainment complex that offers rides, games, and attractions that celebrate Johannesburg's gold mining history.
5. Constitution Hill - This former prison complex now houses South Africa's Constitutional Court, and visitors can take guided tours to learn about the country's legal system and human rights history.
6. Johannesburg Zoo - This large zoo located in the city offers visitors the chance to see a variety of animals, including big cats, primates, and birds.
7. Market on Main - A popular food and crafts market that takes place every Sunday, featuring local vendors and live music.

In addition to these attractions, visitors to Johannesburg can also enjoy the city's vibrant nightlife, world-class dining, and cultural festivals and events throughout the year.