On this episode of Under the Radar, we’re back in the Michigan’s incredible upper peninsula for a natural spring that’s so cool … it’s almost unnatural. We’ll also see the night sky like you’ve never seen it before, and take a leap of faith right int... (more)o the refreshingly freezing waters of Lake Superior. And, if that’s not enough … we’ll also do some extreme mountain biking in Copper Harbor, and show you the stairway to heavenly jams and jellies. It’s all right here in Michigan’s UP ... and right here on Under the Radar.