Officially called cairns, the rock piles and help mark where the hiking route in some parks, an article from the National Park Service states. Each park differs on how cairns are used but moving ...

SIDNEY — The annual Arbor Day celebration in Sidney will begin at 10 a.m. Friday, April 26, at the Keith Clark Park pavilion with a musical performance by the elementary school band. Welcoming ...

YOSEMITE NATIONAL PARK, Calif. - Attention, Yosemite visitors! If you see a giant pile of rocks stacked on top of one another - also called cairns - anywhere in the park, go on and knock them down.