Slideshow: The Reichstag - by Norman Foster - Berlin, Germany
The redesigned Reichstag is one of the best adaptive reuse projects I have seen. The high tech additions to the historic shell provide new life to the heart of the German Government. The dome with its spiraling ramp is a nice touch and offers stunning views of the capital city - although the lines tend to be incredibly long to get in. I think this is one of Norman Foster's most successful projects and definitely worth visiting if you find yourself in Berlin.