<human>:  What are some good camping spots in the U.S.?
<bot>: Some popular camping spots in the U.S. include Yellowstone National Park, Yosemite National Park, Joshua Tree National Park, Acadia National Park, Grand Canyon National Park, Rocky Mountain National Park, and Sequoia National Park. Other great camping destinations include White Mountains in New Hampshire, Redwood National and State Parks in California, Zion National Park in Utah, and Great Smoky Mountains National Park in Tennessee.