Curitiba is the capital of the Brazilian state of Paraná. The city has the largest population and the largest economy, in the State and in southern Brazil. According to the American magazine Reader's Digest, Curitiba is the best place to live in Brazil. Notable skyline features include the Panoramic Tower, with an observatory on top. Known as a cultural center, Curitiba is also home to a number of performance venues, including the Wire Opera House, a structure of tubular steel with a transparent roof, and the huge Guaíra Theater, with diverse programs.