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
Bamburgh Castle coastal land is the ancient fortress of Dunstanburgh Castle and about to the north is Lindisfarne Castle on Holy Island. Inland about 16 miles (26 km) to the south is Alnwick Castle, the home of the Duke of Northumberland. Air quality levels at Bamburgh Castle are excellent due to the absence of industrial sources in the region. Sound levels near the north-south road passing by Bamburgh Castle are in the range of 59 to 63 dBA in the daytime ("Northumberland Sound Mapping Study", Northumberland, England, June 2003). Nearby are breeding colonies of Arctic and common terns on the inner Farne