Africa is the second-largest continent, known for its diverse cultures, languages, and landscapes. It is home to 54 countries, each with its unique traditions and histories, making it a vibrant tapestry of human civilization. The continent boasts remarkable natural wonders, including the Sahara Desert, the world's largest hot desert, and the Nile River, the longest river in the world. Africa's rich wildlife, such as the Big Five (lion, elephant, buffalo, leopard, and rhinoceros), attracts millions of tourists each year, highlighting its ecological significance.