San Francisco’s Mosaic Staircase. Hidden art gem in San Francisco; head to and Moraga to discover The Avenue Tiled Steps. Not only will you be able to see some amazing views of the city, you'll get to appreciate a beautiful mosaic running up 163 steps.
Art nouveau railing at the entry of the dressing rooms in the Theater on the Champs Elys?es in Paris, which is famous for being the first theater built in concrete in 1913 w/ art nouveau style often seen on the tube entrances in Paris. photo via Etsy.