Ian Bogost:

The british architect Norman Foster once called the [Boeing] 747 his favorite building of the 20th century. Like the ocean liners and railcars it replaced, the 747 is more than a vehicle. It is also a dwelling.…  

Use of the whole space was encouraged. Why make a building for people to remain seated in? A TWA pamphlet about 747 service from the early 1970s encouraged passengers to exercise on their flight: “Walk 13 times up and down the cabin and you’ve actually covered one mile.” Continental once boasted of removing 41 seats for four extra inches of legroom in coach. Even on a three-hour domestic flight, the experience of the airborne building was deemed as important as the transportation itself.

The photos in this article are wonderful.