Gah! Prop that thing up!

Of course, it contained . . .

Futurama, a show in which visitors seated in moving chairs glided past elaborately detailed miniature 3D model scenery showing what life might be like in the "near-future", proved to be the fair's most popular exhibit. Nearly 26 million people took the journey into the future during the fair's two-year run.

You'll find it on the left, with sound in one channel.