The first 7 pictures are from Rock Creek Park, Dec 28, 2003. The last 3 are from Greenbelt National Park, Jan 1, 2004.
Click on each image to enlarge it.
Trees and wetland
The ice always looks right-side-up
Hollow tree trunk
Stone base of a bridge
Side of a bridge, from above
Ducks
Twisted tree trunk
Dana
Tree fungus, abut 8 inches across