Mixergy - The YC Stories - How YC companies - Airbnb, Dropbox and more - Got Started
Louvre Museum Online - Explore the entirety of the Louvre's collection for free
Endangered Sounds Museum - Nostalgic sounds from the past
Sketchfab Download - Download 3D files from British Museum, HTC, Microsoft & more
One Page Love - A curated collection of beautiful One Page websites.
Sounds of Maine - Interactive tours of Maine sights and sounds