Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast prehistoric trade networks that once cut across western North America. New ...

Numerous areas in your yard would benefit from a gravel pathway, such as leading to your front door, a shed, through a garden ...

A melting glacier formed spectacular natural wonders thousands of years ago—a display of nature's powerful and majestic ...