Alnwick Castle in the period 1798–1814. The Abbot's Tower houses the Regimental Museum of the Royal Northumberland Fusiliers. An increase in public interest in the castle was generated by its use as a stand-in for the exterior and interior of Hogwarts in the "Harry Potter" films. Its appearance in the films has helped shape the public imagination regarding what castles should look like. Its condition contrasts with the vast majority of castles in the country, which are ruinous and unfit for habitation. The River Aln flows past the north side of the Castle. There is a deep ravine to the south and
White Swan Hotel, Alnwick it was "occupied by a man named Wilson, who at one time had lived as footman in the Hervey family." W. Davison, writing in 1822, stated that the White Swan was "the principal inn ... at which the mail and union coaches stop, and all the posting on the great north road." In 1852 Algernon Percy, 4th Duke of Northumberland brought in the architect Anthony Salvin to remodel his family seat at Alnwick Castle. Salvin also remodelled the White Swan at the same time; the current frontage dates from this period. Since then the hotel has expanded into neighbouring buildings,