Yellowstone National Park is a nearly 3,500-sq.-mile wilderness recreation area atop a volcanic hot spot. Mostly in Wyoming, the park spreads into parts of Montana and Idaho too. Yellowstone features dramatic canyons, alpine rivers, lush forests, hot springs and gushing geysers, including its most famous, Old Faithful. It's also home to hundreds of animal species, including bears, wolves, bison, elk and antelope.
Zion National Park is a southwest Utah nature preserve distinguished by Zion Canyon’s steep red cliffs. Zion Canyon Scenic Drive cuts through its main section, leading to forest trails along the Virgin River. The river flows to the Emerald Pools, which have waterfalls and a hanging garden. Also along the river, partly through deep chasms, is Zion Narrows wading hike.
Pictured Rocks National Lakeshore hugs the south shore of Lake Superior in Michigan’s Upper Peninsula. It's known for the dramatic multicolored Pictured Rocks cliffs. Unusual sandstone formations like Miners Castle and Chapel Rock define the park’s headlands. Twelvemile Beach has a trail through a nearby white birch forest. Remnants of shipwrecks dot the shoreline around Au Sable Point’s 19th-century lighthouse.
The Great Smoky Mountains are a mountain range rising along the Tennessee–North Carolina border in the southeastern United States. They are a subrange of the Appalachian Mountains, and form part of the Blue Ridge Physiographic Province.