Weird Geometry I Can't Even Select I'm getting weird geometry i don't think i ever even created (I've been sleepwalking lately tho and sometimes bad things have happened to my projects over night...) 

anyway this stuff just appeared a day or so ago.  I can't even select it in object or in edit mode, and nothing is "unselectable" in the outliner, afaik...  I would try the L or ctrl L thing but i cant grab any vertices. 

anyone able to help?
Thank you all!
OK, Solved by Duarte... Thank you!

It was a solidify modifier.  The glossy geometry seems to be the solidify being pushed out of a subdivision in the middle of the rectagular cubes.  The other piece of "mysterious" uninvited geometry just behind the silver, vertical cylinders was a plane in the now joined object...