Geoguessr is a online game based on googlestreetview , http://uhupardo.wordpress.com/2013/05/13/die-welt-sieht-uberall-gleich-aus/
presented it in german , i hope i can make you curious , a random generator picks out a unknown place and you have to discover , where your current loation is , wheather Finland or New Zealand you can find it oiut if you look for vegetation ? landscapes? buildings ?
If you are sure you can make a guess and the program shows you wheather you´re right or otherwise shows you the distance you have missed the target.
Have fun with http://geoguessr.com/