Spreckel’s Organ Pavillion
September 4th, 2008The world's largest outdoor organ. Consisting of 4,518 different pipes, played by a civic organist every sunday. This is just a few blocks from our house, we happened to run across it one night when there was a concert, it's amazingly huge and loud (although we didn't really care for the music).

September 5th, 2008 at 7:33 am
Ah, how about the Mighty Wurlitzer:
http://www.organstoppizza.com/welcome.htm
September 5th, 2008 at 9:01 am
That’s awesome. Apparently that’s why they said the largest “outdoor” organ. One would think that the largest one would also be the outdoors one, but of course now i need to make a trip to Mesa, AZ.