If you found yourself in St Botolph's Churchyard by Liverpool Street Station (not on the map) you might be forgiven for thinking that the Moorish building containing a restaurant was a modern marketing gimmick, for the restaurant it houses. It certainly qualifies as one of London's oddest buildings. However, your suspicions might be aroused by the quality of workmanship of the tiles, stone and stained glass, rarely found these days.
It is actually the entrance to what was a Victorian Turkish Baths, you can read their history here
. A more general view of the building is here
. If you are in the vicinity, I'd recommend seeking it out, it always makes me smile.
See where on the London Daily Photo Map