The 2010 Italian Grand Prix was held at a race track that is the world's third purpose-built motor racing circuit after Brooklands, and what other track?
2010 Italian Grand Prix:  It was held in Autodromo Nazionale Monza, Monza, Italy on 12 September 2010. Autodromo Nazionale Monza: The Autodromo Nazionale Monza is a race track located near the city of Monza, north of Milan, in Italy. Autodromo Nazionale Monza:  Built in 1922, it is the world's third purpose-built motor racing circuit after those of Brooklands and Indianapolis.
Indianapolis