the architects institute of brazil (instituto de arquitetos do brasil do rio de janeiro), located in rio's flamengo neighborhood, is a not-for-profit civil organization whose mission is to promote, develop and regulate the work of architects and urban planners.

architect francisco de azevedo monteiro caminhoá built the building that houses the rio de janeiro branch in 1904.

the building's solemn facade has wooden columns and cravings. it has a distinct european influence and is very characteristic of brazilian architecture at the beginning of the 20th century.