America's Aquarium in Stone

Some of the world's best preserved fossils are found in the flat-topped ridges of southwestern Wyoming's cold sagebrush desert. Fossilized fishes, insects, plants, reptiles, birds, and mammals are exceptional for their abundance, variety, and detail of preservation. Most remarkable is the story they tell of ancient life in a subtropical landscape. Read More

Diplomystus dentatus, an ancient herring fish

Fossil Exhibits

A variety of fossil fishes, insects, plants, reptiles, birds and mammals from ancient Fossil Lake are displayed in the visitor center.

hiker looking at landscape from Cundick Ridge overlook

Outdoor Activities

Experience the geology, wildlife, scenery, and wide open spaces by hiking the interpretive trails, dirt roads or taking the scenic drive.

Intern with hikers in fossil research quarry

Visit a Scientific Fossil Quarry

What better way to explore a fossil park than with a paleontologist in a fossil quarry. Join us on Fridays and Saturdays during the summer.

young visitor looking for fossls with intern

Just for Kids

There's lots of fun stuff for kids. You can make a fossil rubbing, visit a fossil quarry, hike with a ranger, and become a Junior Ranger.

student measuring leaf for leafy thermometers and rain gauges activity

Curriculum Materials for Teachers

Teachers, have fun with these hands-on curriculum materials designed for your classroom.

well preserved fossil bird head

Fossil Photo Gallery

Fossils are windows into the past. Check out the incredibly well preserved fossils from the Green River Formation.

visitor center in snow covered landscape

Scenic Photo Gallery

The sagebrush steppe is a land of unique beauty. Here are some favorite scenes.

Contact the Park

Mailing Address:

P.O. Box 592
Kemmerer, WY 83101

Phone:

(307) 877-4455
Automated system.

Contact Us