Find out why dinosaur fossils aren’t found in the Chicago region, but ancient marine fossils are. Be sure to bring sturdy shoes and bottled water to head out on a 2-mile hike to visit a fossil bed and learn how these fossils formed.

All visitors over 2 years of age must wear a mask indoors at all times. Unvaccinated visitors should also wear a mask outdoors when physical distancing (six feet from other people) is not possible.