A motorized wheelchair powered by sip-and-puff inputs coupled with the ever-improving voice recognition capabilities of a smartphone offered Mackay a degree of independence, and allowed him to get outside without a caregiver at his side at all times.

Here are four sections of the Great American that span 100 miles or more with minimal on-street connections—perfect for multiday adventuring.

A momentary pause on the Platte River Trail might yield a glimpse of a pronghorn antelope or mule deer darting through the underbrush, or an eagle or osprey searching for a meal in the river.

Depending on who you ask, the Cedar Valley Nature Trail is either 52 miles long (the original length) or about 67 miles thanks to extension projects in Linn County.

The Great American Rail-Trail aims to create a multiuse trail across the country, separated from roads for more than 3,700 miles.

16 Historic Highlights Along the Route of the Great American Rail-Trail. Rail-trails are the perfect way for us to connect to each other, our communities and our cultural heritage. Unique in makeup and geography, each trail that’s hosting the 3,700-miles-plus preferred route of the Great American Rail-Trail has many stories to tell—some as old as, or far older than, our country itself. Both well known and lesser known, the histories found along the route demonstrate why the “Great American” is a true national treasure.

A privilege of my job is to visit trails and public spaces across the country and meet inspiring supporters and leaders.

Now, with its 112-year history, the Hennepin Canal Parkway seems a natural for its latest chapter—as a “gateway trail” in the nearly 4,000-mile Great American Rail-Trail, a cross-country route planned by Rails to Trails Conservancy (RTC) to stretch across the United States, from Washington, D.C., to Washington State.

Imagine what’s possible with a trail that connects the country. That vision will become a reality thanks to the Great American Rail-Trail, a signature project of Rails-to-Trails Conservancy and the organization’s most ambitious TrailNation™ project yet.

The Great Allegheny Passage, the country's longest multi-purpose trail and the site of the 2007 Greenway Sojourn, and also the first inductee to Rails-to-Trails Conservancy's Rail-Trail Hall of Fame.