The silhouette that television made famous was drawn by the architect of the Palace of Westminster. Between 1839 and 1842, Charles Barry recased a plain Georgian house in honey-coloured Bath stone, raised a central tower, and left a skyline of strapwork, turrets and finials. The style is Jacobethan — Elizabethan revival, executed at scale. Downton Abbey & Highclere Castle Tour from London tours therefore arrive at a building that predates the series by some 170 years. The land is older still. Capability Brown landscaped the park in 1774, sweeping away the formal gardens in favour of open turf, cedars of Lebanon and a long approach through beech. The estate covers roughly 1,000 acres of north Hampshire, at Highclere Park, Newbury, RG20 9RN, with Beacon Hill rising behind it. The Herbert family, Earls of Carnarvon since 1793, have held the ground for eight generations. Follies survive from the earlier scheme: the Temple of Diana, Jackdaw's Castle, Heaven's Gate on Siddown Hill. One Carnarvon changed the meaning of the house entirely. The 5th Earl funded Howard Carter's excavations in the Valley of the Kings and stood beside him at the tomb of Tutankhamun in November 1922. Clearing it took ten seasons and produced more than 5,000 objects. The Earl died in Cairo the following April. The family's own Egyptian antiquities were dispersed or walled up; a sealed cache was rediscovered between rooms in 1987 and now forms the Egyptian Exhibition in the cellars. What draws visitors today is the doubling. Since 2010 the interiors have carried a second identity, and Highclere Castle day trips fill on that basis. The Saloon rises through Gothic arches hung with seventeenth-century Spanish leather. The Library holds some 5,650 volumes across two connected rooms. The Dining Room is presided over by Van Dyck's equestrian portrait of Charles I. None of it was built for a camera; the camera simply found rooms already dressed for the part. The house is not a museum, either — the Carnarvons still live here, and much of the year the state rooms are closed while the estate works as a farm and a family seat. Downton Abbey & Highclere Castle Tour from London tickets are, in that sense, an entry into a household rather than a set, and the distinction is the reason the Hampshire house has held its audience for sixteen years.