The good people at American Park Network have spent the last few years compiling mountains of information about all of the United States parks. That's a lot of land, a lot of trails, a lot of telephone numbers and names of distant peaks. With that data, they've created the Oh, Ranger! Park Finder, an iPhone app (one day I'll buy me one of those fancy phones) that includes the following for every national park, state park and federal public land in our country:• Activities Descriptions• Maps & Directions• Important Phone Numbers• Seasonality/Weather• Lodging & Concession Information• Non-Profit Partners • Links to Events and Related Websites• Related Articles• Nearby AttractionsDownload it FOR FREE right here.