Brick Calendar is not affiliated
with The LEGO Group
AFOL "Adult Fan Of LEGO"
MOC "My Own Creation"
Anything not a LEGO set.
TFOL "Teen Fan Of LEGO"
KFOL "Kid Fan Of LEGO"
LUG "LEGO User Group"
Groups of fans, often adults-only, who meet regularly to build and share. LUGs have different rules for membership, attendance, and age requirements.
LTC "LEGO Train Club"
A LUG focused primarily on trains and cityscapes.
TLG "The LEGO Group"
BrickLink is the place to buy and sell LEGO online.
Most useful here - their hyper-active where you can learn just about anything about LEGO you wish to know.
BrickBuildr is a new site with an extensive list of LUGs, LTCs and its own calendar that reaches beyond North American borders.
Upcoming Expos