The cable car was conceived after Andrew Smith Hallidie, an immigrant from England, witnessed an accident involving a horse-drawn buggy trying to climb a steep San Francisco hill and failing.

The Cable Cars of San Francisco,” the steepest grade on any cable car route is on Hyde Street between Bay and Francisco streets, with a 21% grade drop. The hill was the site of one of the worst ...

San Francisco's iconic hills transform into natural gyms as fitness enthusiasts tackle Telegraph, Russian, Nob, Twin Peaks, ...