Runner Josh Askvig knows he can head to the Missouri Valley Millennium Legacy Trail for a scenic, safe and invigorating winter workout.

Over the past two decades, the Greenway of Greater Grand Forks has attracted more and more uses, and Greendahl said she often gets requests for new features, such as more river access points.

View top 10 trails in North Dakota, which has a growing system of recreational trails that follow old railroad lines and lush riverbanks.

In 2018, we celebrate the 50th anniversary of the National Trails System Act, which provided an incredible legacy for all Americans. Five of these iconic American experiences are listed below along with rail-trails that weave in and around them.