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.
The Avenue Tiled Steps, perhaps the world's longest steps, high), was conceived and fabricated by Irish ceramicist Aileen Barr and San Francisco mosaic artist Colette Crutcher. San Francisco's Tiled Steps - World's Longest Mosaic (USA) -