The clues had all pointed towards one of the pieces at the so-called "Shrine of the Holy Relics" in Celina, Ohio, as being a hell of a lot more unholy when it came right down to it. It was only after they got into town that they found out there were
worse horrors than that.
The front door opens the slightest crack.
"I don't know, Dean--" On the other side, hidden from view of the bar, Sam's doing his best to keep a straight face. "Don't you think the Impala would make a good 'amphicar'? It'd probably float, right?"
Stunned silence, but only for a moment.
"Sam, I'm gonna k--"
He doesn't wait to hear the rest. Grinning, Sam ducks through the door into Milliways and slams it behind him.
It's probably a good idea to give Dean a little while to cool off before he heads back.