Islamabad, the capital of Pakistan, is listed in the top 5 beautiful capitals of Pakistan. There are several famous parks in Islamabad to visit. The Islamabad parks are a scenic combination of Margalla hills, lush green trees, a beautiful lake, and a diverse range of animals, birds, and plant species.Islamabad, the capital of Pakistan, is listed in the top 5 beautiful capitals of Pakistan. There are several famous parks in Islamabad to visit. The Islamabad parks are a scenic combination of Margalla hills, lush green trees, a beautiful lake, and a diverse range of animals, birds, and plant species.