Photo by out_on_an_island

In case you hadn't heard, Union Station is celebrating 100 years this week, along with the 20th anniversary of its restoration in 1988. The AP trotted out a boilerplate history of the station to mark the occasion, and Amtrak is throwing what sounds like will be a nifty party this weekend. All the details about the event can be found here, but rail nerds should know that they'll be displaying a bunch of historic locomotives and coaches, and regular passengers should consider stopping by to enter to win free train tickets. The Centennial Celebration goes on Saturday, October 4 from 10 a.m. to 4 p.m. and Sunday, October 5, from noon to 4 p.m.

And of course, we're sure many of you photogs will want to be there just to see if any security guards give you any guff.