North Cascades National Park
There are more than 300 glaciers in this national park, and you'll have them all to yourself.
Isle Royale National Park
This rugged, remote island is a car- and crowd-free wilderness perfect for hikers and backpackers.
Congaree National Park
In the largest expanse of old-growth bottomland hardwood forest in the south, there's plenty of space to roam all on your own.
Wind Cave National Park
The first cave to be designated a national park also includes prairie and pine forests full of bison, elk, and pronghorn antelopes.
Lassen Volcanic National Park
Yellowstone too crowded in the summer? This park has just what you need: volcanoes, clear mountain lakes, and wildflower-rich meadows.
Black Canyon of the Gunnison National Park
Colorado's lesser-visited national park has some of the steepest spires, oldest rock formations, and craggiest cliffs in North America.
Hike Safely In The Summer
The crowd levels might be low, but the temps are high. Here's how to stay cool and safe.