Hoping to backpack at Guadalupe Mountains National Park in Texas this fall? Beginning on September 30 you'll be able to make an advance reservation for a spot in one of the park's 10 backcountry campgrounds.

The two buttes in this photo stand in Agate Fossil Beds National Monument in western Nebraska, and were the focal points of fossil excavations in the early 1900s.

Multiple wildfires are burning in Yosemite National Park, and while none currently threaten park operations, structures, or public safety, a management team has been brought in to assist with a potential increase in initial attack, logistical needs, and operations of these fires.

Traverse the National Park System and you'll come across lots of different land forms, from forests to sand dunes, lakes to ponds, mountains to canyons. But where in the park system will you see these land forms?