The Field Museum has gone into its vaults and dusted off some very old pieces - as in a few thousand years old. OK, the Field hasn't had them since 5,000 B.C. It's last mummy exhibit was wrapped up in 1893, at the World's Columbian Exposition in Chicago. But we doubt that anybody who might have seen it is still alive today. You have from now until April 22 to see these old geezers before they get put back into the vault for another 109 years!

Emerald City Theatre opens the story of poor Alexander, who wakes up with gum in his hair, gets laughed at by his teacher, has a horrible visit to the dentist, and can't even find sneakers that are in style. And those are only some of the things that make this the kind of day that makes you want to move to Australia.

The Shedd Aquarium is free this week Sunday through Thursday. That's right, it's free on Presidents Day. Be sure to get there early to beat the crowd.

The Actors' Gym is remounting last year's smash hit about the nature of junk, written by co-artistic directors Larry DiStasi and Sylvia Hernandez-DiStasi. The show features aerial acrobatics, live music, and magical, found-object invention.