Saw this on 20/20 yesterday. One in four people have unclaimed money sitting in the Government treasury waiting to be picked up.
http://www.msnbc.msn.com/id/12028200/
You can find out for free at
http://www.unclaimed.org/
An employee at Lowe's when it first opened had some stock in it today worth $1 million. Other people had few hundred to tens of thousands in accounts their deceased parents had that they didn't know about.