Last year we visited Blenheim Palace and were struck by its splendour. It is set in thousands of acres of rolling parkland outside the village of Woodstock in Oxfordshire. It's bigger than Buckingham Palace, but it's also privately owned by the family that built it over 300 years ago. It's been the seat of the Dukes of Marlborough since 1704 and was the birthplace of Sir Winston Churchill. Music © Barney & Izzi Hardy

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