The Iziko Planetarium, and the South African Museum (+27 21 481 3800; are great for a rainly day. Combining sound, light and cutting-edge technology, the Iziko Planetarium recreates the night sky. In the Museaum, the collection ranges from fossils and Stone Age tools to clothing and artefacts both old and modern – together representing natural and cultural history. There are also temporary exhibitions. One of the most impressive features of the museum is the Whale Well. Here, among the life-size casts of marine creatures, musical recitals are often held.