10 Discoveries Made in National Parks

Thanks to The National Trust for Historic Preservation, in partnership with American Express, for sponsoring this video celebrating 100 years of the National Park Service! Now through July 5th, you can help your favorite park win an historic preservation grant. Vote up to 5 times per day at VoteYourPark.org.
You might think of national parks as a nice place to see a geyser, or a big ol’ canyon, but over the past 100 years, US national parks have produced some of the biggest, oldest, deepest, and creepiest discoveries that have been made in this country!
Hosted by: Hank Green
----------
Support SciShow by becoming a patron on Patreon:
----------
Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore.
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records:
----------
Looking for SciShow elsewhere on the internet?
Facebook:
Twitter:
Tumblr:
Instagram:
----------
Sources:
Thumbnail image credit: Crd637
Channel islands oldest human remains
PeFo’s oldest dinosaur
Great Basin cave species
Sequoia & KIngs Canyon Species
Death Valley pupfish
Hyperion: the tallest tree
Mammoth Cave discoveries
Isle Royale