The Rüstem Pasha mosque is truly a gem, and much less frequently trafficked than many other tourist-destination mosques. I always advise people visiting Istanbu

The Rüstem Pasha mosque is truly a gem, and much less frequently trafficked than many other tourist-destination mosques. I always advise people visiting Istanbul to stop in, but almost feel bad about it because too much traffic would sort of kill its 'hole in the wall' charm.