 Due to same-sex marriage bans there, many couples from neighbouring Chile and Paraguay come to Buenos Aires to marry, as Argentina does not have any residency requirements for marriage.Outside Buenos Aires, there are visible LGBT scenes in Córdoba, Rosario, Mendoza, Puerto Madryn, Ushuaia, and Mar del Plata.In May 2015, PlanetRomeo, an LGBT social network, ranked Argentina as the second happiest South American country for gay men, after Uruguay.