These are from today at Retzer Nature Center near Waukesha, WI.
A big White Oak.
A little creek that runs next to the oak in the last picture.
A spring-fed stream runs out from between these hills. There are lots of springs in this particular spot.
Standing on top of a glacial drumlin looking over some fresh snow on a typical January day in southeast Wisconsin. Aside from some corn stubble in the distant fields, the world looks black and white.