Arch in London, United Kingdom
Admiralty Arch is a landmark building in London which incorporates an archway providing road and pedestrian access between The Mall, which extends to the southwest, and Trafalgar Square to the northeast.
The Mall, St. James's, London SW1A 2WH, UK
Tube: Bakerloo and Northern Lines (Charing Cross Station)
It is a luxury hotel now :) You may book a room?