Răspuns:
1. The oldest human bones in North America were found at Channel Islands National Park.
2. One of the waterfalls at Yosemite National Park is breathtaking.
3. The fireflies at Congaree National Park put on a light display every summer.
4. The hot springs at Yellowstone are so acidic they can dissolve a human body overnight.
5. Death Valley is the hottest place on the planet.
I didn't know about the remote Native American tribe living deep inside the Grand Canyon. That's really interesting!