Limestone and travertine are both natural rocks with soft matte appearances, subtle variations, and a sophisticated, timeless feel. In other words, it’s the quiet luxury of stone. Limestone also ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

A 93-pound Petoskey stone found in Lake Michigan was later confiscated by the Michigan Department of Natural Resources 10 years ago. It is now on display at the DNR's Outdoor Adventure Center, 1801 ...

The results are in some cases remarkable, even in relation to biology, and are of great interest and importance in the study of limestone rocks and their included fossils, since subsequent changes ...

Limestone is a sedimentary rock created by layers of skeletons and ... CONNOR: Limestone has natural cracks in it, but they are much thinner to begin with. They get wider because limestone can ...

Pets, drones, alcohol and the collection of plants, animals, limestone rocks and other natural resources are prohibited.

Kitch-iti-kipi, Michigan’s largest freshwater spring sits in the Upper Peninsula, where it pumps out 10,000 gallons of clear ...

It offers history and outdoor adventure with the remnants of a 300-acre limestone quarry and ghost town alongside rock formations, sinkholes, 20 miles of trails and the protected Besser Natural Area.