Heard from my mom (who heard on NPR) about a trio of folks that are attempting to set "the record" for fastest drive to all 48 continental states. They are aiming to do it in 120 hours (5 days) and are of course following the standard rules of no stops except to refuel and change drivers. As of this writing they are in South Dakota and are 36 states down with 12 to go. They started in Vermont and are ending in 4 corners.
Follow along at their blog at http://greatamericanroadtrip.us/ or see the map. Also see Barry Stiefel's 50 States in a Week's Vacation
Good to see people following the lead of our great 88 Ohio counties in 24 hours trip