San Francisco: the home of hills and valleys, of dreamers and trailblazers, of hippies and hipsters. From the gold rush to the Golden Gate, the City by the Bay has always basked in the glow of its colourful and celebrated history and world-renowned landmarks. But for those who live and love on this compact seven-mile by seven-mile metropolis, San Francisco is a treasure trove of unusual neighbourhood sights and places that sparkle with the allure...