Quantum Mechanics on the web
Physics Virtual Bookshelf
Quantum physics online: animations
Visual Quantum Mechanics
Quantum Mechanics from Wikipedia
Basic Ideas of Quantum Mechanics
Particle physics for everyone:
Basics facts about Particle Physics, thanks to Fermilab.
The Particle Adventure by the Particle Data Group.
The Visitor Center at SLAC.
Saturday Morning Physics at Fermilab
Quantum Physics
Quantum Physics