indianapolis motor speedway
A historic American racetrack featuring both an iconic oval layout and a road course. Most well known as the home of the IndyCar Series and the site of it's crown race, the Indy 500.
The track also hosts a number of other series including the IMSA SportsCar Championship, NASCAR, and GT World Challenge America/Intercontinental GT Challenge. Indy was the location of Formula One's United States Grand Prix from 2000 to 2007, and has since been replaced by Circuit of the Americas.