 The most famous ones are the "Museu Nacional de Arte Antiga" (National Museum of Ancient Art), the National Azulejo Museum, the "Museu Calouste Gulbenkian" (Calouste Gulbenkian Museum), containing varied collections of ancient and modern art, the "Museu Nacional do Traje e da Moda" (National Museum of Costume and Fashion), the Berardo Collection Museum (Modern Art) at the Cultural Centre of Belém, the "Museu da Electricidade" (Electricity Museum), the "Museu Nacional dos Coches" (National Coach Museum, containing the largest collection of royal coaches in the world), the Museum of Pharmacy, the National Museum of Natural History and Science, Museum of the Orient, the "Museu do Teatro Romano" (The Roman Theatre Museum), and the Lisbon City Museum.Lisbon's Opera House, the "Teatro Nacional de São Carlos", hosts a relatively active cultural agenda, mainly in autumn and winter.Other important theatres and musical houses are the "Centro Cultural de Belém", the "Teatro Nacional D. Maria II", the Gulbenkian Foundation, and the "Teatro Camões".