Map image taken with Dark Site Finder
There are a number of dark sky sites on the internet; however, it is difficult to keep accurate maps because of our ever expanding society. Use these guides as the first step in locating a dark sky area to pursue your astronomical endeavors.
Dark Site Finder - Light pollution map
International Dark-Sky Association - Dark Sky Finder - Dark sky map
Texas A&M University Teaching - Observatory Light Pollution Map - Light pollution conditions
Composite image of the United States at night Photo by NASA Earth Observatory-Robert Simmon