The High Street reflects Colchester’s status as England's oldest recorded town. Buildings range from medieval timber-framed houses to Georgian mansions, and underneath them all are the remains the Roman city of Camulodunum. Notable buildings include the Baroque Town Hall of 1902, the Corn Exchange of 1820, Hollytrees, a fine Georgian mansion, and the highlight, Colchester’s Norman Castle, which has the largest keep of any built by the Normans in England.