Deep Below San Francisco Lies A Maze Of Relics – And They’re Exposing The City’s Incredible History

You probably don’t think much about what’s beneath your feet – well, until you step into an open manhole, anyway. That’s no doubt true if you’re visiting San Francisco, where you’re more likely admiring the sights above ground than keeping your eyes fixed on the sidewalk. But below the lofty skyscrapers that line Frisco’s Financial District, some spectacular hidden treasures have emerged. And these remarkable remnants all tell captivating stories of the city’s past.