Board Thread:Questions and Answers/@comment-24520051-20171203215353/@comment-28096636-20171218031349

Here's a hint.

In Earth-Prime, the Earth's axis has shifted. Becuase of this, the atmosphere of the world has also changed. The place they go to has Antarctic-like weather, but in real life (and their past), it is warm, sunny, and known for an oddly-shaped building.