These two women were driving around, looking for a candle shop in what looks to be an industrial area in Pelham, Alabama. The dash cam is on, although it is upside-down. Be sure to stick around for the punch line.
When I saw this a couple of days ago, there was some question as to whether the audio had been added to the video after the fact. HuffPo tells us that the clip was featured on America's Funniest Home Videos and the two women were interviewed on the show. And you can see the hazard on Google Street View.