Historic Royal Palaces is an independent charity that manages the United Kingdom's unoccupied royal palaces:
Tower of London
State Apartments, Kensington Palace
Banqueting House at Whitehall
Hillsborough Castle is an official government residence in Northern Ireland. It is the official residence of the Secretary of State for Northern Ireland, and the official residence in Northern Ireland
Hillsborough Castle garden facade
The official entrance of Hillsborough Castle.
American President George W. Bush, British Prime Minister Tony Blair and Irish Taoiseach Bertie Ahern at Hillsborough Castle on 8 April 2003.
Guests leaving Hillsborough Castle to walk through its grounds.