This grand Mudéjar-style bullring of red brick, tile, and ornate ironwork is not the largest in the world (that’s in Mexico), but it is arguably the most important. It opened in 1931 and seats 24,000 people. The best bullfighters face the best bulls here—and the fans who pack the stands are among the sport’s most passionate and knowledgeable. (Many other Spaniards can’t stand the sport.) If you would like to try to gain an understanding of the spectacle, it’s worth visiting this storied site. Audioguide tours begin at the ceremonial Grand Portal and include the stands, the ring itself, and the patio where matadors pause with their admirers before entering the chapel to pray before they enter the ring.