Madame Tussauds, Marylebone Road, NW1, 0870 999 0046, Tube/NR: Baker Street
Mansion House, Mansion House Street, EC2, 020 7638 4141, Tube: Bank
Marble Arch, Cumberland Gate, W1, Tube: Marble Arch
Millennium Bridge, St Pauls Walk, EC4, Tube: St Paul's
Millennium Dome, Millennium Way, SE10, Tube: North Greenwich
Monument, Monument Street, EC3, 020 7626 2717, Tube: Bank/Monument
National Sound Archive, 29 Exhibition Road, SW7, 020 7412 7440, Tube: South Kensington
Nelson's Column, Trafalgar Square, WC2, Tube: Charing Cross
New Scotland Yard, Broadway, SW1, 020 7230 1212, Tube: St James' Park