Cabildo de Buenos Aires
The colonial town hall on Plaza de Mayo, rebuilt in 1940 on its original site, now the national museum of the Cabildo and the May Revolution.
💬 Your driver's tipFree entry, but it only opens Wednesday to Sunday, 10:30 to 18:00, so Monday and Tuesday are out. The general guided tours are free and need no booking: 15:30 on weekdays, and 11:00, 12:30 and 15:30 at weekends.