All right, let's ditch those 3D glasses and check out the newest format ... But if you're walking out of your IMAX movie wondering why the screen felt smaller than last time, you might spot ...

return to the big screen--this time in IMAX 3D format. Strap on your 3D glasses and lean back ... the 1939 The Wizard of Oz is the oldest movie ever to be converted into this uber-big big ...

All right, let's ditch those 3D glasses and check out the newest format ... But if you're walking out of your IMAX movie wondering why the screen felt smaller than last time, you might spot ...