A ground floor plan made in 1943 shows the location of the Press Room in the northwest corner of the West Wing and the swimming pool in its original location at the center of the West Terrace. The White House Collection.
The Willow Run manufacturing complex, located between Ypsilanti and Belleville, Michigan, was constructed in the early years of World War II by Ford Motor Company for the mass production of war munitions, especially the B-24 Liberator heavy bomber.
2.) Antonov AN-225. This is one of the largest airplanes ever built, and certainly one of the largest still in service where it is used to carry massive payloads. Since it was built in 1988, the AN-225 is sort of a last hurrah for insane Soviet aircraft. But, it's not the biggest aircraft ever made. Not by a long shot.