Another thought in SF -- go to the Exploratorium, and while there, check out the Tactile Dome

Of course, one last plug for Portland: Powells!!!!
(and that's not all the city holds, but it's generally a good lure -- now throw in waterfalls & volcanoes and other wonders...

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A Window For Your Home: Stories of dying and doctoral education

http://awfyh.blogspot.com/

magic is the deliberate manipulation of coincidence