Local gardens worth visiting

Bear with me on this as I am in the process of writing up details (with pictures) of various local gardens that are worth visiting however the list will include:

• Basildon Park
• Blenheim Palace
• Harcourt Arboretum
• Oxford Botanical Gardens
• Waterperry Gardens
• Sandham Memorial Chapel
• Nuffield Place, Henley on Thames
• Upton House, Banbury
• Waddesdon Manor, Aylesbury