Fenton House, Windmill Hill, NW3, 020 7435 3471, Tube: Hampstead

Foundling Museum, 40 Brunswick Square, WC1, 020 7841 3600, Tube: Russell Square

Gipsy Moth IV, Cutty Sark Gardens, SE10, 020 8858 2698, Tube: Cutty Sark

Goldsmiths' Hall, Foster Lane, EC2, 020 7606 7010, Tube: St Paul's

Guildhall, Gresham Street, EC2, 020 7606 3030, Tube: St Pauls/Bank

Ham House, Ham Street, TW10 7RS, 020 8940 1950, Tube/NR: Richmond, then Bus 65 or 371

Hampton Court Palace, Hampton Court Way, KT8 9AU, 0870 752 7777, NR: Hampton Court

Harrods, 87-135 Brompton Road, London SW1X 7XL, 020 7730 1234, Tube: Knightsbridge

Highgate Cemetery, Swains Lane, London N6, 020 8340 1834, Tube: Archway

HMS Belfast, Tooley Street, London SE1, 020 7940 6300, Tube/NR: London Bridge

Horse Guards, Whitehall, London SW1, Tube: Westminster

Houses of Parliament, Bridge Street, London SW1, 020 7219 4272, Tube: Westminster

Hyde Park, Tube: Marble Arch / Hyde Park Corner / Lancaster Gate / Queensway

Jewel Tower, Abingdon Street, London SW1, 020 7222 2219, Tube: Westminster