Music Resources
ChoralWiki - home of the Choral Public Domain Library
IMSLP - The International Music Score Library Project
Composers to Know
Really Cool Stuff
Ambient GIFs - http://imgur.com/gallery/bTC7Z
A Fantastic Contraption! - http://fantasticcontraption.com/
Houston Museum of Natural History - http://www.hmns.org
Hubble Telescope Archive - http://hubblesite.org/
NASA's Spitzer Space Telescope - http://www.spitzer.caltech.edu/
The Jacana Astronomy Site - http://www.jacanaent.com/Astronomy/!Pages/Astronomy.htm
Mineralogy Database - http://webmineral.com/
Great info on semi precious gemstones - http://www.gemselect.com/gem-info/info.php
Some Shopping
Society6 - art merchandised well
Egyptology
The Theban Mapping Project - Tons of info and pictures of the Valley of the Kings
The Hatshepsut Project - Many things Hatshepsut
Howard Carter's maps, plans and other drawings
Sandro Vannini - Photographer, great collection of photos of Egyptian tombs, temples, and artifacts