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Photo: Heitor Carvalho Jorge, CC BY-SA 3.0 via Wikimedia Commons
The headquarters for the federal gas (petrol) company is an interesting piece of brutalist architecture which somehow resembles a Rubik's Cube with some blocks missing.
The Petrobras Headquarters building, nicknamed Edise by the employees working in it, is a brutalist office building used by Petrobras in the Centro neighbourhood of Rio de Janeiro, Brazil. The 108-metre, 29-storey building was constructed from 1967 to 1972. The building's architect was Roberto Luís Gandolfi. Considered a landmark in national architecture, the building is located on Avenida República do Chile, next to the Metropolitan Cathedral.
© OpenStreetMap contributors
Catedral Metropolitana São Sebastião
A rather bizarre, modern cathedral shaped like a volcano, with a very impressively vacuous interior.
Igreja de São Francisco da Penitência
Colonial church built in 1773.
Museu Nacional de Belas Artes
Another building modelled on one in Paris, this time the Louvre. Includes large paintings from Academicist and Neoclassical Brazilian artists, as well as many copies of European sculptures
Convento de Santo Antônio Igreja da Venerável Ordem Terceira de São Francisco da Penitência
Church of the Venerable Third Order of St. Francis of Penance is a part of the Convent of Saint Antony