Have you been to the Thornton Quarry? One of the largest in the world, this quarry has been around for so long! We got to experience an incredible tour with our friend @southcookexplore If you’re looking to take this tour, make sure you add yourself to the waitlist at Thornton Historical Society | 77 Flavors of Chicago

People often ask what sets our quarry apart from others in the area. For us, it comes down to experience, passion, and a commitment to science. We’ve been working in the Green River Formation for over 22 years, with more than a decade dedicated to paleo tourism. Over that time, we’ve refined our approach to make every tour both educational and unforgettable, led by knowledgeable guides who care deeply about the science behind the fossils. What makes our experience special is the balance between