Based on our caps/sightings for Scotland so far, we have 4 places:
The Royal Mile
The Royal Mile is probably where teams picked up their cars if they were getting directions in Cowgate, which isn't far from the Mile; Gosford House is most likely the Pit Stop. However, Craigmillar Castle and Duddingston Kirk are the ones which are slightly puzzling. Craigmillar Castle could be either a Detour or Roadblock, but Duddingston Kirk is quite a small graveyard, so potentially, depending on where it is in relation to other places possibly visited, could be a site of a Double U-Turn or a Speed Bump (which would imply an NEL in Germany). If it were to be a Double U-Turn, we would most likely see an NEL before that (as we have not had a Double U-Turn with only 4 teams left?) so that could be either in Switzerland (which is to be believed as per the timeline) or Germany.
With that in mind, I'm going to speculate Chuck and Wynona to be the next to go, it's whether we will see them saved by a NEL prior to their departure