There are a wealth of resources on the internet for the LEGO enthusiast. Here are a few to get you started.
LEGO The LEGO Group's official website.
Flickr The LEGO photo pool on Flickr. Post photos, join groups, comment and discuss.
LUGNET The LEGO Users Group Network, with news and info from around the world.
Peeron An invaluable site maintaining part inventories of LEGO sets. Useful for managing your collection.
Brickshelf Post pictures of your own creations and see what other people have made.
Mocpages Create your own LEGO website to feature your creations. LDraw The definitive system for designing LEGO models using your computer.
Brickset A comprehensive database of official LEGO sets.
Eurobricks "Uniting LEGO fans around the world." Forum for set reviews, photos of creations and general LEGO talk.
Swooshable Home of Swooshable World (a comprehensive list of world-wide LEGO events), LEGO building school (a collection of the best articles, resources and techniques gathered in one location), SNOT search engine and minifig scaler. A great site with some very handy building tools.
The Brothers Brick The most widely read LEGO building blog featuring all the current LEGO news and fantastic fan built creations.
Shop at Home LEGO's official online store, carrying many exclusive items as well as all currently available sets. Pick-A-Brick shopping for buying pieces in customized quantities.
Bricklink A virtual marketplace of fan-owned online stores catering to the sale of new and used LEGO sets and pieces.
LEGO Fan Festivals
Brickfête The o.b.b. (Ontario brick builders) presents Canada's largest LEGO fan festival in Toronto, Ontario.