1 Abbey House Gardens are 1,300 years old.2 "Garden History" part is famous for the first king of England Athelstan who used to walk there and later he was buried there.3 The UK's largest collection of rosses we can see in the flora and fauna part.4 In formal gardens we can see the garden paths and yew hedging. 5 In river gardens visitors can see little lakes, long rivers and waterfalls.