Visit Waltham Abbey Gatehouse and Bridge in Essex — remains of a grand medieval abbey once favoured by kings, set beside the River Lea....

Visit Tilbury Fort in Essex — a 17th-century star-shaped fortress guarding the Thames, famous for Elizabeth I’s speech to her troops in 1588....

Visit Thornton Abbey in North Lincolnshire — once a wealthy Augustinian monastery, now famous for its towering 14th-century gatehouse and peaceful ruins....

Visit St John’s Abbey Gate in Colchester — a 15th-century brick gateway built for a Benedictine abbey, one of the finest medieval structures in Essex....

Visit Sibsey Trader Windmill near Boston — a six-sailed working windmill built in 1877, still producing flour and open to visitors year-round....

Visit Saxtead Green Post Mill near Framlingham — a rare 18th-century wooden windmill still turning, showcasing Suffolk’s milling heritage....

Visit the Roman Wall of St Albans — 3rd-century remains of Verulamium’s city defences, with walking trails, history panels, and views across Verulamium Park....

Visit Prior’s Hall Barn in Essex — a vast 14th-century timber barn near Widdington, beautifully preserved and managed by English Heritage....

Visit Old Gorhambury House near St Albans — magnificent Tudor mansion ruins built for Sir Nicholas Bacon, set in peaceful Hertfordshire parkland....

Visit Moulton Packhorse Bridge near Newmarket — a beautifully preserved 15th-century stone bridge with four arches spanning the River Kennett....

Visit Mistley Towers in Essex — graceful twin Georgian towers by architect Robert Adam, the last remains of an 18th-century parish church....

Visit Longthorpe Tower near Peterborough — a 14th-century manor tower with extraordinary medieval wall paintings preserved by English Heritage....