MNN lists

11 of the most endangered trees in America

Obama's national monuments are a big deal

8 species on life support

5 surprising facts about roadrunners

9 farms that will broaden your definition of farming

15 pets that sure look like they're smiling

10 famous female aviators

7 exotic pets wreaking havoc in the wild

13 amazing things animals can do with their bodies

9 heart-pumping places for adventure sports fans

11 wanderlust-inducing works of mobile architecture

8 of the happiest dogs in the world

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