Paleontology
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- Venice, Florida: Shark Tooth Capital of the World
- Information on sharks' teeth and why they are so commonly found in Florida.
- 442
- Itano fossil collection
- Fossils collected by Wayne Itano, an amateur paleontologist from Boulder, Colorado.
- 443
- Paleocurrents.com
- Covers a variety of projects in Colorado in an educational site run by a volunteer at the Denver Museum of Nature and Science (DMNS). Offers free web publishing for paleontology projects.
- 444
- Petrified Forest
- Step back in time, over 3 million years, and follow the trail of Majestic Petrified Redwood giants arrayed before you in a fascinating grove.
- 446
- Paul's Spur Field Trip
- A field-oriented project on the Paul's Spur Mesozoic fossil patch reef complex near Bisbee, Arizona.
- 447
- Southern Arizona Fossils
- Fossil collection web site with photos and information on Peleozoic fossils.