Castle Howard by Hawksmoor. The grounds of Castle Howard are also used as part of at least two charity running races during the year. Located on the Estate, but operating separately to the house and gardens and run by an entirely independent charitable trust, is the Yorkshire Arboretum. Originally created through the enthusiasm and partnership of George Howard (Lord Howard of Henderskelfe) and James Russell, over a period of eighteen years, from 1975 to 1992, it was opened to the public for the first time in 1999 and a new Visitor Centre opened in 2006.The arboretum's extensive and important collection of 6,000
English Bicknor Castle English Bicknor Castle English Bicknor Castle was a castle in the village of English Bicknor in Gloucestershire, England. The castle was built in the 11th century as a motte and bailey design, although some suggest a later construction date in the early 12th century. The motte lay at the centre of two concentric outer bailey walls, producing a roughly circular castle approximately 150 yards across. The motte was placed against the south-west corner of the site, where the ground fell away from the castle, giving additional protection from attack. A square stone keep may have been built at a later