Looking for something completely different on your next tour through Philadelphia? Well, things don't get much more off the wall that Stray Boots tours. Discover Philly through a cell phone-guided game that transforms exploring the city from a passive experience into an interactive adventure. Receive challenges on your phone that ask you to find interesting things, solve riddles, talk to locals, take photos, and more. Send the answers to earn points and learn facts about the city! Any US phone works, and you can start anytime and play completely at your own pace. Just visit the Stray Boots website to start your very own walking tour and have it all in the palm of your hand.