The 10 Best National Parks in the U.S.

From swampy marshes to soaring canyons, from pristine glaciers to scorching deserts, America’s national parks encompass nearly every possible ecosystem and offer a world away from the everyday hustle and bustle.

The 60 official national parks form a vast system that collectively spans 84 million acres, and was visited over 331 million times last year alone. But with such a plethora of options, it can difficult to pick just one to visit for any given vacation.