I was going to post the photo below as a Monday Morning Mystery but thought it too dang obscure, even by my warped standards. It's a piece of the Columbia Lake Dam, an outmoded hydroelectric dam that The Nature Conservancy and its many partners having been working intensely to remove.

The dam isn't gone yet but its days are numbered, and it will be a boon to the watershed and to migratory fish and eels.

You can read more here.