Audio Travel Companion
Offers travel and tour guides on tapes and CDs.
url: www.audiotravelcompanion.com/
OmniNav
Sights of San Diego, Chicago, and Washington D.C., using an audio cassette and map guide, or downloadable MP3 audio guides via paid subscription.
url: www.omninav.com/
Ride With Me Travel Audio
Large collection of original audio programs on travel in the United States with special emphasis on traveling Interstate Highways.
url: www.rwmaudio.com
Travelog
Offers recorded driving tour guides of America's back roads, quaint towns, historic attractions and natural wonders.
url: www.travelog.com/
