It's a little-known piece of geologic history, nestled in a Minnesota forest. Just be careful not to wear any magnetic apparel around it, or you might not be able to get away.
As of this morning, 19,000 acres were affected by the fire which is roughly 29.7 square miles, or larger than Burnsville that has been burned up in the fire so far, and it doesn't look like it might stop anytime soon.