Remember The Jetsons? How they all traveled by pneumatic tube, sucked from one place to another? These plans, concepts, and photographs show we've been dreaming about that idea for a long time.

For more things under the ground, on rails, or sucked through a tube, take a look at 10 creepy abaondoned subway stations, impressive luxury trains, crazy and spectacular sewers, 15 pneumatic message networks, or 20 railroad snowplows. [Oobject]