The Delaware Valley has towns that were founded by the Dutch, towns that were founded by the British, towns that were founded by the Swedes. There are towns built on a great river, towns built on a great road and a town built on a not-so-lofty hill. The Philadelphia area has towns built on flour, towns built on iron, towns built on opium-based medicines. Heck, the Delaware Valley even has a town built on mushrooms. There is no better way to see Delaware Valley towns than on foot. And there is no better way to appreciate what you are looking at than with a self-guided walking tour. A walking tour can be many things. Interested in heritage tourism? Looking for an educational day trip for the kids? Need a fun exercise plan? Want to find subjects to take great pictures? Whether you are visiting a new town or just out to look at your own town in a new way, a Delaware walking tour from walkthetown.com is ready to explore when you are. Each of the 25 walking tours in LOOK UP, PHILADELPHIA describes a mix of historical, architectural, cultural and ecclesiastical landmarks. Street addresses and step-by-step directions lead the way. A quick primer on identifying architectural styles seen on the Delaware Valley town streets is included. So look twice before crossing the street and get out and look up, Philadelphia