AmaericanPyro.com – Website of the American Pyrotechnics Association (APA), has all sorts of safety tips.
FactMonster.com – A large collection of facts about fireworks, various aspects of the celebrations, the history and more.
Fireworks – Sure it’s just a simple Java application, but it’s oddly fun and addicting. Just click your mouse around in the box and see and hear the fireworks go off.
FireworkSafety.com – Website of the National Council on Fireworks Safety with numerous safety tips to keep you and your family safe this year.
Holidays.net – Has a guide to the top 8 fireworks displays in the country for the big day.