Here is a link of some useful links:

Teaching Related:

• American Association of Physics Teachers
• Physics Education Technology (Colorado)

Cosmic Ray Research:

• QuarkNet
• MARIACHI
• ALTA
• Auger Experiment
• AGASA
• Plenty other Cosmic Ray sites

Particle Physics

• HEP Archives
• HEP Review Articles
• D0 Experiment , CDF Experiment , LHC
• Particle Adventure (Good resource for those with not much background in particle physics)

Computing:

• Python , C++ tutorial
• Cygwin (Linux like environment in Windows)
• Bob Hirosky page on computing class (good page on many computing resources)