GeoPedia - iPhone's Location-based Wikipedia

Users can browsed the location-customized list of Wikipedia articles that GeoPedia returns and then navigate to articles of interest to learn more. As your location changes, simply refresh GeoPedia and the feed will update. Wikipedia will follow you wherever you go.
With the iPhone’s (v1.1.3 and up) Google Maps My Location feature, iPhone users can hone in on their approximate location. It’s not GPS accurate, but it can usually find the exact street corner that you happen to be loitering around (of course, your mileage will vary). And, with the ability to track your general position, it was only a matter of time before an application like GeoPedia came to light.
Read more 'Step by Step', How to install it here > GeoPedia Application - Location-based Wikipedia for iPhone