Some people have way too much time on their hands.
1) Make Cosmo Kramer out of lego. This guy also created a picture of Napoleon Dynamite, President Bush, Conan O'Brien and Van Gogh's Starry Night.
2) Recreate the Twin Towers using McDonalds fries and Heinz tomato ketchup.
3) Build a PC without a case that floats next to the monitor.
4) Paint pictures with Rubix cubes.
5) Build a scale model of the Sears Tower, using over 15,000 Jenga blocks.
6) Make a record breaking 3130lb rubber band ball.
7) Balance rocks on other rocks.
8) Paint awesome pavement art illusions.
9) Live in a box suspended over the River Thames for 44 days without food.
10) Build massive sandcastles.
11) Collect pictures of designer manhole covers.
12) Build a stadium out of Lego.
13) Build a city out of cookies.