Wonderfully restored Victorian fort on Portsdown Hill, overlooking Portsmouth Harbour. 19 acres with underground magazines, tunnels and grass ramparts to explore. Stunning views of the surrounding countryside. Home of the Royal Armouries collection of artillery, with over 350 pieces spanning the Romans to the Iraqi Supergun. A live firing takes place every day and our team of professional actors recreate history by bringing to life characters from the past. Free guided tours and free acoustiguides available. Visit the Powderkeg licensed cafe and our gift shop.