Train of Tomorrow observation lounge By Angela Cotey | July 22, 2024 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates The rear lounge section of Moon Glow, the dome-observation car of General Motors’ 1947 Train of Tomorrow, featured extra-wide curved windows, covered by drapes in this publicity photo. General Motors photo Share this article Print Facebook