You don't need a warehouse to scratch that itch. You can run an O-scale GG1 or Big Boy in the living room of a modest Manhattan apartment. They look great on a bookshelf too.

Kohs GG1 https://www.kohs.com/PRR_gg-1_pages/gg-1_home.htm

Key Imports Big Boy https://www.brasstrains.com/classic/Product/Detail/054489/O-...