There are six campgrounds located within Denali National Park and Preserve in Alaska. Each campground has its own amazing landscape views. The Savage River Campground offers dramatic views just a short walk away from the campsites. To read more about Denali's campgrounds, click here.

Acadia National Park in Maine is another one of those units of the National Park System famous for it's fall foliage colors. You can learn more about what you might see during different seasons at Acadia by clicking here.

Shenandoah National Park in Virginia is a unit of the National Park System popular for its autumn "leaf peeping" opportunities. To read more about enjoying Shenandoah's fall colors, click here.

Gypsum "flowers" are a speleothem (cave formation) that form when thicker gypsum crystals form and grow outward from the cave walls. They often form curved or flower-petal-like shapes. To learn more about speleothems at Jewel Cave, click here.

There's something to be said for pitching a tent beneath the stars at one of Yellowstone National Park's many campgrounds. You can read about those campgrounds by clicking here.

146 years ago today, just before dawn, gunshots rang out throughout the peaceful valley of ?ıckumcılé.lıkpe (Big Hole Valley), startling awake a sleeping camp of 800 nimí·pu· (Nez Perce). Hatalekin, an elder setting out to check upon his herd of horses, had been shot down by a group of Bitterroot civilian volunteers. Thus began the Battle of the Big Hole, wherein 60-90 nimí·pu·—largely women and children—and 31 soldiers and volunteers were killed. Big Hole National Battlefield in Montana was created to honor all who were there.

Aztec Ruins has some of the best-preserved Chacoan structures of its kind. The ceremonial Great Kiva is a semi-subterranean structure, over 40 feet in diameter. Great Kiva is the oldest and largest reconstructed building of its kind. 

"Lomaki" means "beautiful house." Some 900 years ago, when the weather was cooler and wetter, ancestors of contemporary Pueblo communities created a bustling center of trade and culture that included Lomaki Pueblo at what is now Wupatki National Monument in Arizona.

They call people who enjoy viewing fall tree colors "leaf peepers," and there are plenty of leaf peepers at Shenandoah National Park when the weather turns cooler and the trees begin to show off their yellow, orange, and red finery.

Hike around Joshua Tree National Park and you might spy a black-tailed jackrabbit hopping over the landscape. A jackrabbit's ears are long and large because those ears help regulate the jackrabbit's temperature and keep it cool during a hot day at the park.