When was the last time you heard an 1850s yarn put to song? If you're in the neighborhood of Apostle Islands National Lakeshore on Monday, you'll be able to hear what it sounds like. Or, if you're curious about Lake Superior's shipwrecks, you can bone up on them at the lakeshore as well.

While it's perhaps easier to monitor natural resources rooted in the earth in the national parks of the Pacific Islands, that doesn't mean those below the ocean's surface get ignored. This short video looks at some of those resources and explains how National Park Service researchers keep track of their health.

Looking for an affordable way to learn more about North Cascades National Park and hone some skills at the same time? Consider attending the "Base Camp" program offered by the North Cascades Institute.

The current 50-star version of our American flag is the only design most living Americans have ever known, and it was first raised at an NPS site fifty years ago—on July 4, 1960. Do you know which park had the honor of hosting that event?