The Internet is a great source of information on Alaska. The following is a tiny sample; a quick Web search will turn up a multitude of additional websites for your area of interest.
Links:
[1] http://www.travelalaska.com
[2] http://www.state.ak.us
[3] http://www.alaskachamber.com
[4] http://www.alaskastateparks.org
[5] http://www.nps.gov/akso
[6] http://www.moon.com/destinations/alaska/the-interior/denali-national-park
[7] http://www.moon.com/destinations/alaska/southeast-alaska/glacier-bay-national-park
[8] http://www.moon.com/destinations/alaska/the-wrangells-and-prince-william-sound/wrangell-st-elias-national-park
[9] http://www.wildlife.alaska.gov
[10] http://www.alaskacenters.gov
[11] http://alaska.fws.gov
[12] http://www.dot.state.ak.us/amhs
[13] http://511.alaska.gov
[14] http://www.recreation.gov
[15] http://climate.gi.alaska.edu
[16] http://www.gedds.alaska.edu/auroraforecast
[17] http://www.awrta.org
[18] http://www.alaska.com
[19] http://www.adn.com
[20] http://www.dced.state.ak.us/dca
[21] http://www.donpitcher.com
[22] http://www.donpitcher.com/blog