The worst-kept non-secret on Earth is that there is no better public restroom to duck into when you're out and about than the one in basically any hotel lobby. As one NYC-based Redditor recently wrote on a thread entitled "Secret Bathroom Spots," "I always tell guests in town to use the hotel lobby bathrooms when they are out in the city. They are always clean, sometimes they are really fancy, and you can always pretend your [sic] from Lichtenstein and don't speak English." Sage advice! Here now, city by city:
Atlanta · Boston · Chicago · Los Angeles · Miami · New Orleans · New York · San Francisco · Ski · Toronto · Washington DC