There are a lot of public and private quality institutes who give Spanish lessons, and many more for Tango lessons, Argentinean art and literature, architecture.
Apart from Buenos Aires, Mendoza is another popular and excellent place to take Spanish lessons for those who want a more idyllic setting see the entry for Mendoza for details.
Education in Argentina is free for everyone, no matter the level, and it has a good quality.
walking tours
Buenos Aires has a number of walking tour options. They include the typical tours you may find in any city, as well as interesting options including free walking tours, Downloadable MP3 Walking Tours, and even Running Tours.
sports
The most popular sport in Argentina is fútbol soccer. If you come to Argentina, you shouldn't miss the chance to experience a professional match live . Argentina's fans are very passionate.