A great reference site with a database of sets released past to present.

A good source of information on current and future set releases, special offers, and product reviews.

A blog covering MOCs and builders from around the Internet. Also has a nice collection of reviews.

This Flickr group is dedicated to LEGO® photos of all types. Just build something and send it in.

Vote on user-submitted models, then submit your own! Get enough votes and you might see your MOC turned into an official LEGO® product.

One of the largest marketplaces for used and new parts. They also have their own free design software.

Many LEGO® builders have set up pages on Flickr to share their creations. If you want to connect with other builders, start here!