America's most popular national parks
It's Day 2 of summer. If you don't have vacation plans yet, you're behind. Fortunately, there's an easy solution. Visit one of America's 58 national parks. They encompass some of the country's best natural sights, including Alaska's pristine wilderness, Yellowstone's hot springs, Utah's rock formations and Hawaii's volcanoes. As a starting point for your vacation planning, here's a look at the 10 most-visited in 2011.
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( Anne Cusack / Los Angeles Times )
Wyoming, Montana and Idaho
Visitors in 2009 (through August): 2.7 million
Established in 1872, Yellowstone is the nation's oldest national park. It's known for its geysers and hot springs. Indeed, Yellowstone contains 60% of the world's geysers, including Old Faithful, its most famous, and the Grand Prismatic Hot Spring, America's largest hot spring. The park also houses a rich collection of historical artifacts in its museum, library and research centers.
On the prowl for wolves in Yellowstone National Park
A primer on Yellowstone, our first national park
On the buffalo trail at Antelope Island
Pictured: Morning Glory Pool Hot Spring.