Explore Argentine tango in its natural setting. The Milonga. What you see on the streets of Buenos Aires and in the tango shows is just a small part of what tango really is. Long after the streets of La Boca are empty...after their last bow on stage... many of the dancers head to the milonga and now you can too. Buenos Aires Milonga Tours provides customized tours into the secret world of tango that most tourists never see.