Momento Musical

The 1908 Teatro Colón, erected during Argentina's golden years, remains one of the most glorious opera houses in the world, with near-perfect acoustics. The building will undergo a two-year renovation starting this fall, but if you can, go to see the three Gaudin stained-glass windows, the 700-lamp chandelier in the cupola, and the costume collection with 18,000 pairs of shoes, worn in every opera from Aida to La Bohème. At 621 Libertad; 54-11/4378-7344;