Keeping with his campaign pledge of running the most open and accessible government in American history, President-elect Obama will hold the first White House open house January 21st, the day after he is officially sworn in.

AP:

Barack Obama plans to open his White House doors to the public on his first full day of his presidency, Jan. 21. Obama aides on Friday announced plans to have an open house at his new home at 1600 Pennsylvania Ave. The idea is to keep Obama's administration the "most open and accessible" in history by inviting hundreds of supporters inside and encouraging them to stay involved.

Call me a government geek, but there is something about this that I just love. You can fill out an application here.