Nationalgeographic.com

Advantages: Lots of interesting information in beautiful format for teaching children, fantastic photography
Disadvantages: I can't think of any, except that some people haven't found it yet.

If you want to see some unbelievably beautiful pictures, many of which you can download and use as wallpaper, here is the place to go. If you want to see a well produced website, go here. If your husband threw away all your National Geographic magazines that took you 30+ years to collect (yes, he did!), well you won't find them here, but it may give you some comfort. 1. Log-on: You don't have to "join" the group - visitors always welcomed. 2. Kid ...
...available on-line. Excellent tool for a computer-savvy teacher of any grade from pre-school through grad-school. 3. Contributions: If you have a fantastic photo that would be appropriate for National Geographic, you are invited to submit the photo for possible inclusion. 4. Format: Video and sound are offered on many subjects, as well as printable fact-sheets. Multi-subject blocks on every " opener" page. The pages are filled but not overwhelming. ... Read review

Advantages: The photography and consumer-friendly site and features layout
Disadvantages: None

I merely stumbled upon this site when looking into and shopping for unique gifts for my 8 year old rare animal loving niece and wow, I was not disappointed! This site is tops! Equisite photography, much of which you can use to make memorable wallpaper for your pc/laptop, rare products, great National Geographic television channel tie-ins and fair and reasonable pricing on high-quality products sold as affiliated with or endorsed by National Geographic. ... Read review