It's a great day for a swim in Spirit Lake! ... If three cups of coffee didn't wake you up, this will.

Spirit Lake is a complex world, like an underwater forest, ... It teems with life. It's fascinating. It's very complex.

Many of these were likely never in the lake

They're like very steep, peaked mountains -- and only the tops are vegetated,

(John) was in here every day for coffee.

I can't imagine a day without coffee. I can't imagine!