The 1987 Dougherty and O'Reilly book on the text processing tools of Unix has been released under a Creative Commons Attribution license. This site is coordinating the effort to recreate the book in groff source from page scans.
dead link: http://home.alltel.net/kollar/utp/
Documentation, tutorials, etc, for groff/troff and related tools.
dead link: http://www.neverland.ch/groff/
A bunch of "robots" protesting on a college campus. Photos, video, and newspaper clipping.
dead link: http://www.noonelikesyou.net/TFT-robots/
Global sweep satellite images with fires highlighted. Finding a particular area on a particular day can be tricky, as there are a lot of images here. Also includes a gallery of interesting images, such as dust storms, typhoons, phytoplankton blooms, etc.
dead link: http://rapidfire.sci.gsfc.nasa.gov/
qz thoughts