Most of you are likely aware, or have seen photos of earth taken from the space shuttle or the International Space Station. However, did you know that NASA has a collection of photos featuring various national parks around the country? To be honest, many of the photos weren't all that impressive, in my opinion. There are a couple, such as Death Valley, or Crater Lake and North Cascades, that are quite compelling. However, the one photo that I was extremely impressed with was that of Grand Teton National Park:
To see other space photos of national parks you can browse through the NASA image gallery.