Related on MNN: Visit our wilderness and resources category.
Video: Smoky Mountain Park turns 75
America's busiest national park hits a big birthday milestone.
Subscribe to our newsletter
The world's 10 oldest living trees
13 natural solutions for killing and deterring ants
Angry Canadian crabs invade coast of Maine
9 of the world's largest dog breeds
What's that sound? 7 wildlife calls you might hear in your backyard
Everything you need to know about mooncakes (including why they're so expensive)