These sexy topographic maps show San Francisco stripped bare

San Francisco is renowned for its winding roads, stunning Victorian architecture, and, of course, its sprawling bridges. But the City by the Bay is also known for its hilly terrain — a geological feature that's often obscured by its landmarks. These new maps show the city's sensual contours in all their glory. » 10/10/13 8:40am 10/10/13 8:40am