NATURE NET 
The NPS’s natural resource place on the web. Great for students, research or getting the answers to the natural questions.

INFORMATION CENTER OF THE ENVIRONMENT - FLORA & FAUNA IN THE PARKS 
Want to learn more about the plants and animals in the National Parks? Let University of California at Davis provide the answers.

GEOLOGY OF THE NATIONAL PARKS 
Everything you wanted to know about the geology of the parks from a course taught at UC Santa Cruz.