
The main tourist section is right around the central plaza. Government buildings, old houses and churches abound. Two blocks south on Congreso Street lies the Casa Historica (historic house) where the Argentine constitution was signed. Inside, a small museum has artifacts from the colonial and revolutionary periods.
As in most of Argentina, travel to and from Tucumán is almost entirely by bus. Although there is an airport, the only airline who services it, Aerolineas Argentinas, charges foreigners almost twice as much for the same flight.
Taxi's are fairly cheap and a good bet for foreigners who don't know the public transportation's routes or scheduals. That said, the city busses are fairly simple, and as there are not very many of them, fairly easy to use.
Tucuman has no shortage whatsoever of places to drink. Most of the cafes are open until 1 or 2AM and serve beer, wine and spirits. The same goes for the restaurants. As for nightclubs, there are quite a few but most open only on the weekends and only after 12PM.