[Castiel tilts his head at that, because now it's become more than a favor. It's a challenge, to see if he can actually do it. Paved roads isn't a lot to ask, not from an angel.] Wonderland would undo my work at the end of each day, but they would be usable for a few hours at least.

[Sam's question brings forth memories of another time, before Dean was sent back home to have his memories wiped clean. He nods, even though it isn't something he likes to think about very much these days.]

I do. He kept it in the stables.

[It didn't get much use then, but maybe that can change now.]