Pier 38 is where True Ventures have their San Francisco office. It was the location of a great post-WordCamp party last August. It was such a beautiful night I had to take a shot of the moon and lights reflecting in the water.
Except where stated in the post, photos posted on or after January 1st, 2014 are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Basically, do what you like with those images but always credit Donncha Ó Caoimh as the author and link here. You'll also have to license the photo under the same license.