You ever wanted to visit the US National Parks but never made it there? Try it on your iPhone or iPad for free for a limited time since it costs 4,99$ usually…

Enjoy and share a daily dose of majestic scenery with these features:

• Instant Slideshow: Transform your iPad, iPhone or iPod Touch into an endless, beautiful photo frame.
• Search & Navigation – Explore effortlessly with Smart Tags, Smart Previews, Search boxes and Interactive Maps.
• Wallpaper – Choose from thousands of high-resolution photos to decorate your Apple iPad, iPhone or iPod Touch.
• Social Media – Share your favorite images via email, Facebook and Twitter.
• Point-of-Interest Descriptions – Learn more by clicking to text descriptions.
• Travel Planning – Keep track of destinations in Favorites.
• Shuffle – Shake the device to travel the U.S. National Parks at random.
• Smart Suggestions – Discover unexpected amazing vistas and keep track of your progress with the Site Counter.
• Support for iOS 4.2.1, including multi-tasking.