A museum devoted to everything marine. Old vessels, artefacts from the depths, WWII warships and more can be seen here.
Wikipedia https://fr.wikipedia.org/wiki/Espace_Culturel_de_la_Marine
Official Website http://www.mar.mil.br/dphdm/ecm/ecm.htm
Phone +55 (21) 2532-5992
Address Av Alfred Agache s/n, Rio de Janeiro, Brazil
Coordinates -22°54'0.892" N -43°10'28.642" E