Places I visited on my free half-day after Google I/O: - Cable Car Museum: http://www.cablecarmuseum.org/museum.html http://www.cablecarmuseum.org/museum.html

Places I visited on my free half-day after Google I/O: - Cable Car Museum: http://www.cablecarmuseum.org/museum.html http://www.cablecarmuseum.org/museum.html . You can stand within a few feet of the generators and wheels that power the whole system, it's a brilliant 19th century hack. (And of course ride the cars). - Musée Mécanique: http://www.museemecaniquesf.com/ http://www.museemecaniquesf.com/ . Huge collection of playable vintage-to-modern arcade machines. - Coit Tower: http://en.wikipedia.org/wiki/Coit_Tower http://en.wikipedia.org/wiki/Coit_Tower. Fantastic views and murals.