Every city has its big attractions and in the rush to see everything you might miss out on some of the hidden gems.  We recently discovered a great number of interesting details as we explored San Antonio via Urban Adventure Quest. An Urban Adventure Quest is a bit like a small-scale version of “The Amazing Race” – without the dangerous bits and the questionable foods. It is a smart-phone based scavenger hunt through one of more than 30 popular cities. It is timed, but that’s ok – the only price to win is bragging rights and a wonderful day out exploring (and brainstorming) with family, so you can complete it at any…