A couple years ago, after a friend told me about a photo scavenger hunt he went on, which required participants to take pictures in front of famous San Francisco landmarks, I knew I wanted to have a party just like this.  The only catch was, his party took ALL DAY!  I wasn't willing to make my guest sacrifice a whole day, so I came up with the idea of choosing a particular neighborhood and making a scavenger hunt in which the guests had to solve clues to figure out which bar they had to go to...