That slow crawl out of the ditch... we've all been there, buddy.
According to a recent study by BBC Radio's statistical literacy program More or Less, the tallest stable LEGO structure would be comprised of 375,000 lego bricks and stand 3.5km (2.17 miles) high before the brick at the base of the tower finally gave in to the weight. The current world record for the tallest LEGO structure was set in 2011 by Sao Paulo's multi-colored monolith made from 500,000 bricks that is 102 feet and 3 inches tall. Hat tip goes to BoingBoing.
The G-Cans Project (formally known as the Metropolitan Area Outer Underground Discharge Channel) is the world's largest flood water drain facility located 50 meters below ground in the outskirts of Tokyo, Japan. Built between 1992 and 2009, the massive underground tunnel system is equipped with four jet-powered turbines and five gargantuan water silos that can drain floodwaters at an impressive rate of a 25-meter swimming pool per second.