Looking for something fun to do outdoors this Saturday? I got an email earlier this week about an event called Destination Alcatraz - some sort of scavenger hunt that will probably have you running around Boston all day. It'll give you and your friends a good excuse to get outside and enjoy the warm weather that we're finally having. ~~~~~~~~~ WHO: Boston urban thrivers who possess the brawn and brain to outrace their peers in a physical and mental contest to navigate Boston are encouraged ...