Blenheim Palace Blenheim Palace Blenheim Palace (pronounced ) is a monumental country house in Blenheim, Oxfordshire, England. It is the principal residence of the Dukes of Marlborough, and the only non-royal, non-episcopal country house in England to hold the title of palace. The palace, one of England's largest houses, was built between 1705 and 1722, and designated a UNESCO World Heritage Site in 1987. The palace is named for the 1704 Battle of Blenheim, and thus ultimately after Blindheim (also known as Blenheim) in Bavaria. It was originally intended to be a reward to John Churchill, 1st Duke of Marlborough for his
Blenheim Palace completion of the palace itself, and the park remained relatively unchanged until the arrival of Capability Brown in 1764. The 4th Duke employed Brown who immediately began an English landscape garden scheme to naturalise and enhance the landscape, with tree planting, and man-made undulations. However, the feature with which he is forever associated is the lake, a huge stretch of water created by damming the River Glyme and ornamented by a series of cascades where the river flows in and out. The lake was narrowed at the point of Vanbrugh's grand bridge, but the three small canal-like streams trickling underneath