Rock stacking in national parks: Why is it bad?

If you are ever on a hike or visiting a national park, it may be tempting to find flat rocks and stack them to see how high it gets, otherwise known as rock cairns. But this action can negatively affect the ecosystem where these rocks reside.  The National Park Service says these rock cairns can […]
If you are ever on a hike or visiting a national park, it may be tempting to find flat rocks and stack them to see how high it gets, otherwise known as rock cairns. But this action can negatively affect the ecosystem where these rocks reside.  The National Park Service says these rock cairns can […]

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