One of the first parks in the National Park Service, California's Yosemite is a World Heritage site. Its most famous scenery includes mountain peaks like Half Dome and El Capitan, Yosemite Falls, giant sequoias, and sub-alpine lakes.
Probably one of the most extreme non-technical hikes in a national park. Angel's Angels Landing Trail, Zion National Park NP Utah UT Colorado Plateau sandstone slickrock red rock hike hiking This place is seriously amazing.
Oregon hiking- Opal Creek Scenic Area and Wilderness. It is located east of Salem, in the Willamette National Forest. Opal Creek runs through thousands of acres of protected old growth forest, crisscrossed with over 30 miles of hiking trails.
Wisconsin Ice Age Trail: Wisconsin' scarier landscape (think lakes, river valleys, rolling hills, and ridges) was formed years ago with the Ice Age. See the evidence of this part of Wisconsin's history on the mile Ice Age National Scenic Trail.