Heritage Open Day: Join us to discover all things architectural at the Wiltshire & Swindon History Centre on 20th September. We will be celebrating the built environment, design & engineering, historic and modern, including the History Centre itself. The Wiltshire and Swindon History Centre is celebrating architecture, design and engineering at our Heritage Open Day on 20th September. Whether it's architect Harold Brakspear, garden designer Harold Peto or engineer Isambard Kingdom Brunel, join us in a celebration of the built environment, historic and modern, including the History Centre itself. There will be displays, activities and a chance to see behind the scenes, plus our pop-up Heritage Café.