DSLR Photography
I search for good, clean, family friendly photography learning sites, and steer clear from the others. Here are some of my favorites.
Nature Photography
NATURE BY NUMBERS from Cristóbal Vila on Vimeo.
Online Video Learning
http://www.adorama.com/alc/category/AdoramaTV
Many excellent videos to learn about digital photography
Family friendly learning
Discussion Forums
Digital Photography Review (dpreview.com)
http://digital-photography-school.com/forum/
http://www.luminous-landscape.com/forum/
http://www.nikoncafe.com/vforums/
http://photography-on-the.net/forum/index.php
Camera Review Websites
I like this site best since they give quantitative data to compare, and they let you compare any two cameras side by side with technical data
http://snapsort.com/cameras/Nikon-D5100
A review of my camera, which can be compared to other cameras by clicking "compare"
http://forums.dpreview.com/forums/
large popular site for camera reviews
This site gives a lot of video explaining comparisons.
Photography Magazine Websites
Popular Photography Magazine
Outdoor Photography Magazine