The palace was located between the Hippodrome and Hagia Sophia. In 1837 the Hippodrome racecourse was laid out. O'Grady ended 2003 with a pantomime performance at the Bristol Hippodrome. The Greek hippodrome was similar to the Roman Circus. The hippodrome and later stadium were located east of the Echo Stoa. He had just performed at Bristol's Hippodrome theatre. Two theatres were built in Hulme, the Hulme Hippodrome and the BBC Playhouse. The only known unexcavated Roman Hippodrome in the world is in Sirmium. It is resident at the Birmingham Hippodrome and tours extensively nationally and internationally. The stadium is located next to a hippodrome. The Santa Monica Looff Hippodrome (carousel) is a National Historic Landmark. It is estimated that the Hippodrome of Constantine was about long and wide. It also houses the most important Milanese hippodrome, as well as other horse racing-related structures. The London Hippodrome was opened in 1900. The Square is home to the Hippodrome Casino.