A guy going by the name of "Baron von Brunk" has made a giant airship out of Lego.

More specifically, it's a giant Super Mario Bros. 3 airship made from over 8,000 Lego blocks and measuring about six feet in length!

Go visit Brunk's website, or read the CNN "Geek Out!" interview with Brunk.

Source: http://vonbrunk.tumblr.com/post/17876499706/airship
http://geekout.blogs.cnn.com/2012/02/28/super-mario-3s-airship