1. National parks USA Karolína Vaníčková, V8A

2. Content basic info Yellowstone Yosemite Grand Canyon

3. Basic info 59 protected territories National park service approved by US Congress 14 in UNESCO 210 000 km 2 9 in California

5. Yellowstone Wyoming, extends to Montana and Idaho 9000 km 2 first signed into law (1872) inhabited by Native Americans for 12 000 years sits on top of super volcano known for its wildlife, geothermal features grizzly bears, wolfs Old Faithful Geyser

6. Interesting facts 1000 to 3000 earthquakes annually largest free-roaming herd of bison 2012 movie was filmed here 20 times bigger than Prague 1/3 of park burnt in the large forest fire (1988)

11. Yosemite California 3000 km 2 Sierra Nevada mountain chain Yosemite valley (18 km 2 ) granite cliffs, sequoia groves Yosemite Falls bears, deers, foxes

12. Interesting facts popular with mountain climbers popular for camping Half Dome takes about 12 hours to climb highest waterfall

18. Grand Canyon Arizona carved by Colorado river 5 000 km 2 5-6 million years old rodents and bats one of the Wonders of the world

19. "The Grand Canyon fills me with awe. It is beyond comparison—beyond description; absolutely unparalleled through-out the wide world... Let this great wonder of nature remain as it now is. Do nothing to mar its grandeur, sublimity and loveliness. You cannot improve on it. But what you can do is to keep it for your children, your children's children, and all who come after you, as the one great sight which every American should see."