National Geographic Map Machine

I didn't play around with this site much, but it appears to be a quick and easy way to get a map of basically any area, country, city in the world. Might be useful for social studies or any other class that is studying a region or area. Enjoy!

http://maps.nationalgeographic.com/map-machine#s=r&c=43.74999999999998, -99.71000000000001&z=4