Top Ten Largest Machines Ever Built

They are large, very large and able to move mountains as high as skyscrapers or launch a rocket into space. They are the megamachines and engineering marvels.

#1 - Mobile Launcher Platform

The Mobile Launcher Platform or MLP is one of three two-story structures used by NASA to support the Space Shuttle stack during its transportation from the Vehicle Assembly Building (VAB) to Launch Pad 39-A at the Kennedy Space Center as well as serve as the vehicle's launch platform. NASA's three MLPs were originally constructed for the Apollo Program to launch the Saturn V rockets in the 1960s and 1970s, and have remained in service to this day, with substantial alterations.