Lego Titanic This thing was about 23 feet long, apparently weighed over 1000 pounds, contained over 250,000 piece and cost around 15,000 to build. Built by Scott Fowler.
Incredible LEGO model of the Titanic breaking in half
Lego WW2 Bridge
LEGO Helm's Deep. 150,000 pieces... Holy mother of blocks. That's impressive. My inner nerd is broken...holy poop