Why Stacking Rocks in Nature is Harmful at Illinois State Parks

Stacking rocks, also known as cairns, might seem like a harmless and fun way to leave your mark on a hike, but it can actually cause serious harm to the natural environment.

Is Rock Stacking Graffiti? – National Parks Blog

Ellen Booth's Instagram, Twitter & Facebook on IDCrawl

Oscar Anderson's Instagram, Twitter & Facebook on IDCrawl

Ryan Klaus's Instagram, Twitter & Facebook on IDCrawl

Making rock stacks upsets habitats, cairns are different, LNT

Lover's Leap Trail Leads To Incredible View Of Illinois Park

Please don't stack rocks on your next hike. Here's why. - Lonely Planet

Stone stacking destroys the environment for clicks and likes - Big Think

Rim Rock National Recreation Trail Guide

Snow-Covered Bald Eagle Protects Her Eggs [video]

Kevin Koch -- ​The Driftless Land - Kevin's Nature Blog