I thought this was pretty cool!
http://www.dw-world.de/dw/article/0,,990878,00.html
In whats being hailed as an engineering masterpiece, two important German shipping canals have been joined by a giant kilometer-long concrete bathtub. The new waterway near the eastern town of Magdeburg opens Friday.
http://www.dw-world.de/dw/article/0,,990878,00.html