The city of Lisbon is rich in architecture; Romanesque, Gothic, Manueline, Baroque, Traditional Portuguese, Modern and Post-Modern constructions can be found all over the city. The city is also crossed by great boulevards and monuments along these main thoroughfares, particularly in the upper districts; notable among these are the Avenida da Liberdade , Avenida Fontes Pereira de Melo, Avenida Almirante Reis and Avenida da República . The most famous museums in Lisbon are the Museu Nacional de Arte Antiga , the Museu do Azulejo, the Museu Calouste Gulbenkian , the Lisbon Oceanarium, the Museu Nacional do Traje e da Moda , the Berardo Collection Museum at the Belém Cultural Center, the Museu da Electricidade , the Museu Nacional dos Coches , the Museu da Farmácia and the Museum of the Orient.
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 and the Gulbenkian Foundation.