San Francisco is a city that's famously full of instantly recognizable landmarks: from the Golden Gate Bridge to the Transamerica Pyramid, it’s easy for visitors to match many of our skyline’s star features with their guidebook descriptions. But for every Coit Tower or Alcatraz Island, there’s also an eye-catching oddity whose name might not spring so easily to mind.
"I'm not going downtown," the bus driver calls over the intercom. I'm aboard the N Judah -- one of San Francisco's Muni Metro light rail lines -- and downtown San Francisco is exactly where I'm heading. I'm making the trip to go ice skating in Union Square, but that's the only set plan.