Nairobi of birds. The Nairobi Safari Walk is a major attraction to the Nairobi National Park as it offers a rare on-foot experience of the animals. Nairobi is home to several museums, sites, and monuments. The Nairobi National Museum is the country's national museum and the largest in the city. It houses a large collection of artefacts portraying Kenya's rich heritage through history, nature, culture, and contemporary art. It also includes the full remains of a homo erectus popularly known as the Turkana boy. Other prominent museums include the Nairobi Gallery, Nairobi Railway Museum, and the Karen Blixen Museum located in
Nairobi and gurdwaras within the city. Prominent places of worship in Nairobi include the Cathedral Basilica of the Holy Family, All Saints Cathedral, Ismaili Jamat Khana, and Jamia Mosque. Nairobi has two informal nicknames. The first is ""The Green City in the Sun"", which is derived from the city's foliage and warm climate. The second is the ""Safari Capital of the World"", which is used due to Nairobi's prominence as a hub for safari tourism. There are a number of shopping malls in the Nairobi Area. These include: Garden city mall, Thika road mall (TRM), the West Gate mall, Prestige Plaza,