The Underground Railroad Bicycle Route follows 2,100 miles from Mobile, Ala., to Owen Sound, Ontario, Canada, passing through Mississippi, Tennessee, Kentucky, Indiana, Ohio, Pennsylvania and New York along the way.

Adventure Cycling Association, based in Missoula, Mont., www.adventurecycling.org or 1-800-755-2453. Association has maps available (info online): The full five-map set costs $41.25 for Adventure Cycling members; $56.25 for nonmembers. Individual maps are $9.75 for members, $12.75 for nonmembers.

Scheduled group rides by Adventure Cycling/Underground Railroad:

April 14-May 31, covering the entire Underground Railroad route, $2,649. Participants will camp, share cooking and carry their own luggage (using on-the-bike panniers or a trailer).

July 30-Aug. 5, along the final 273 miles of the Underground Railroad route, from Buffalo, N.Y., to Owen Sound, Ontario, $699, Participants will camp; meals will be catered; luggage will be transported for all riders. Group will attend Owen Sound's 145th annual Emancipation Festival, www.emancipation.ca or www.osblackhistory.com.

Carnegie Center for Art & History, 201 E. Spring St., New Albany, Ind.; www.carnegiecenter.org or 1-812-944-7336. The center holds a permanent exhibit called "Ordinary People, Extraordinary Courage: Men and Women of the Underground Railroad in the Indiana and Kentucky Borderland."

National Underground Railroad Freedom Center, 50 E. Freedom Way, Cincinnati; www.freedomcenter.org or 1-877-648-4838. Three pavilions celebrate stories of freedom from the Underground Railroad era to contemporary times.

Farmington Historic House Museum, 3303 Bardstown Road, Louisville, Ky.; www.farmingtonhistorichome.org or 502-452-9920. Although off route, this 1815 house has significant ties to Abraham Lincoln and features tours about life during the time of slavery.

Historic Madison, Ind.; www.historicmadisoninc.com or 1-812-265-2967. The city is home to the historic Georgetown neighborhood, which has numerous Underground Railroad documented safe houses and was home to blacks as early as 1830.

Maysville, Ky. Numerous Underground Railroad attractions, including an Underground Railroad Driving Tour. Guided tours also available. National Underground Railroad Museum, 38 W. Fourth St., is in a documented safe house with hidden slave chambers and artifacts; 1-606-564-3200.