http://retardmedia.com/2008/08/27/queen-mary-2-in-legos/

The site does not give the scale of this model. It’s a great work.

http://www.odditycentral.com/pics/warship-yamato-largest-lego-ship-ever-built.html

An impressive feat, no question. 6 years, 6 meters long, 1 meter wide and weighs 150 kgs.