Google Earth
http://maps.google.com was, shall we say, amazing. http://earth.google.com puts it to shame.
Absolute shame. Full height mapping. You fly over, say, Mount Rainier, and ... well, just do it. Make sure to set the options to the best your computer can handle. It's worth it.
Absolute shame. Full height mapping. You fly over, say, Mount Rainier, and ... well, just do it. Make sure to set the options to the best your computer can handle. It's worth it.