It's that time of year again when the nation's families take to the road and visit some of this country's most beautiful National Parks. Heck, even President Obama's family recently spent some time at the Grand Canyon and Yellowstone National Park.
If you're only familiar with some of the most popular parks -- yes, we love the Grand Canyon too but want to try something new -- The Chicago Tribune has a nice photo essay on "National parks with punch."
In the photo slideshow, the Tribune looks at "the largest, smallest, oldest, newest and least- and most-visited of the system's 58...