Shauna and Toby Barnett enjoy paddling the Buffalo River and, during stops along the way, like to stack river stones. During a recent trip the couple managed to build a stone "cairn" nearly 5 feet ...

HOUSTON – You’ve probably seen them at parks across Texas and the United States, and probably the world: rock cairns. They’re the stacks of stones people place, often in waterways or on trails. In ...

Have you ever been at a beach or national park and discovered rocks of various sizes stacked together in no particular pattern? I noticed several while hiking in Vancouver last fall near the river and ...

A billion years in the making, the stones of northern Arizona paint the natural landscape with an abundance of color, shape and texture -- drawing millions of admirers each year to the renowned ...