Here are a few links on the web that provide good information about traveling to the Everglades, the different parks, or the wildlife of the region.
Parks
Everglades National Park- All the necessary park details
AreaParks.com- Travel and park info
Everglades at a Glance- Quick facts about the park
Travel
Florida Everglades- Comprehensive information for visiting the area
UT Library Online- Excellent maps of the parks
Environmental Information
Totch's Website- Information straight from a man that grew up in the Glades