Stone Piles That Navigate The World
A cairn is far more than a decorative stack of rocks. These ancient, human-made markers have served as essential navigational beacons and grave markers across nearly every continent for thousands of years.
Long before GPS existed, travelers relied on these stone sentinels to find safe paths through treacherous terrain or foggy mountain passes. They are typically built by stacking rocks in a stable, pyramid-like structure that can withstand harsh weather. In many cultures, adding a stone to a passing cairn is considered a gesture of good luck or a sign of respect for those who walked the path before you. Today, they remain vital markers in wilderness areas, keeping hikers from losing their way.
Source: Cairn