This is the Ozaukee Interurban Trail, a paved, 30-mile route flanking the Milwaukee River and Lake Michigan through the northern suburbs of Milwaukee, Wisconsin.

The Schuylkill River Trail (SRT) is a multiuse path that will ultimately extend 120 miles between the small town of Frackville in east-central Pennsylvania and the confluence of the Delaware and Schuylkill Rivers in Philadelphia.

Traversing a region in northwest Washington known for its rural farmlands, lush riverbeds, forests and lakesides, as well as its historic districts with that timeless small-town feel, Snohomish County’s Centennial Trail is a popular route among the nearly 90 rail-trails in the state.

The bustling Charlotte Rail Trail is a 12-foot-wide swath of urban utopia in North Carolina’s largest city. Bikers stream by in packs.

Leading from South Haven to Kalamazoo, Michigan’s Kal-Haven Trail State Park ranks as one of the state’s most popular rail-trails.

Winding 25 miles through the northwest corner of Oregon, the Crown Zellerbach Trail (affectionately nicknamed the Crown Z Trail) serves as a rolling journey into history, introducing visitors to the home of the region’s First Peoples, the legacy of the area’s railroad and timber industries and intriguing geological events.

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.

Aptly named for the moss-draped oaks along the route, the woodsy sections of the Spanish Moss Trail provide a cool respite in the South Carolina summers.

When someone says “Idaho,” most people think of potatoes, but the Weiser River National Recreation Trail demonstrates there is so much more to the landscape and the people. Traveling 84 miles—from forested terrain through canyons and onto the high prairie in the west-central part of the state—there is an ever-changing beauty that evokes an appreciation of the region and the forward-thinking individuals who sought to preserve the corridor.

Dawkins Line Rail Trail is Kentucky’s longest rail-trail. The 36-mile crushed-stone path is open to bicyclists, hikers and horseback riders.