Traveler's "By the Numbers" articles provide interesting (and often surprising) statistics for selected parks. We published 13 of them this year.

Golden Gate National Recreation Area, one of the world's largest urban-oriented parks, generates some impressive statistics. Take a look at these numbers.

Though its name inspires thoughts of massive rivers of ice, Glacier Bay National Park is much, much more than glaciers. With its borders you'll find some of the country's tallest mountains, tangles of temperate rain forest that harbor brown and black bears, and rich waters that attract both birds and whales. Here's a glimpse of some of the park's significant numbers:

"Two" has important meaning in the context of Klondike Gold Rush National Historical Park, and so do many other numbers.