CarGo Audio Tours
   Audio driving tour of the Niagara Falls area. 2CD set.
   http://www.cargoaudiotours.com

Hear's a Journey
   Day trip car tours through Tuscany, Italy and Provence, France. Package includes audio cassette and booklet with map and points of interest.
   http://www.hearsajourney.com/

Museum of the Open Road
   Cassette tapes and CDs provide a road-by-road account of interstate highways and history in northeast and central Ohio.
   http://www.roadmuseum.org/

OmniNav
   Sights of San Diego, Chicago, Washington D.C., Boston, New York, and London, using an audio cassette and map guide, or downloadable MP3 audio guides via paid subscription.
   http://www.omninav.com/

Ride With Me
   Large collection of original audio programs on travel in the United States with special emphasis on traveling interstate highways.
   http://www.rwmaudio.com