Washington Post Hunt

I don't know if many of you are aware of the amazing Puzzle/Hunt/Brainteaser event that the WaPo puts on every year in DC. It was yesterday, and it probably competes with gambling as one of the most enjoyable recreational activities I ever participate in. I think it would be right up the alley of many of the visitors to this site, so I wanted to share. For the record, my team of 3 was able to solve all 5 puzzles scattered through downtown, but got stuck on the endgame:

http://www.washingtonpost.com/posthunt