Brock tilts his head a little, his own brow knitting with skepticism. "Does it make more sense for it to be some weird alien world? I think," he says slowly, "it's either some weird future or an alternate dimension... thing. But still Earth."

As for why Colorado, he throws his hand out in a vague gesture. "The mountains, the weather... maybe you haven't spent enough time there, but it looks like it to me."