St Paul's Cathedral - Baroque church designed by Sir Christopher Wren in 1673. Includes visitors' information, details of services and events and information on the building including an illustrated chronology and 360-degree panoramas. Palace of Westminster - The official site explains the history of the, including its only medieval survival, Westminster Hall, built by William Rufus 1097-99. Historic Royal Palaces - Official visitor guide to the Tower of London, Hampton Court, Kensington Palace, the Banqueting House, Whitehall, Kew Palace and Queen Charlotte's Cottage. Includes information on the history, what to see and what's on at each location. Wikipedia: Tower of London - An illustrated history and description of this World Heritage Site from the collaborative encyclopedia. It is a complex of royal buildings centred on the fortress built by William the Conqueror in 1078. Somerset House Trust - A major historical building now fully restored by the Trust. Events, attractions, visitor information, commercial services, image library, other resources. Westminster Cathedral - Includes a brief history and tour of the Byzantine-style building, designed by Victorian architect John Francis Bentley. The Crystal Palace - Computer models of this Victorian marvel designed by Joseph Paxton from the University of Virginia, with an illustrated account of its history and construction. Royal Observatory Greenwich - Visit information for Meridian Line, planetarium and astronomy centre. St Martin in the Fields Church - Located in Trafalgar Square, designed by James Gibbs. Includes brief information about the history of the building. Eltham Palace and Gardens - English Heritage describes this combination of medieval royal palace and Art Deco home. Includes virtual tours, history, games, downloadable activity sheets, news and visitor information. Lambeth Palace - Residence of the Archbishop of Canterbury in London. Includes visit information. Osterley Park and House - Neo-classical mansion and country estate in west London. Includes visit information.