at a glance

it was later upgraded by fitting 6 modern long range cannons during a tense diplomatic dispute with argentina. it was disbanded again in 1895 and left to abandonment - the early 20th century saw works of modernization due to concerns over how the impending world war one would affect the country.

this was an enormous investment and its electrical generator was so powerful at the time that it fed electricity to entire copacabana area - during military rule in brazil, the fort was used to house political dissidents until 1987 the authorities determined it would be the historical museum of the military.

it houses a library and various expositions on brazilian military history and campaigns and the birth of brazilian nationalism.