Multiwall 7680×2160 pixels wallpaper.
https://i.redd.it/mop3bruh706y.jpg.
Collection of sci-fi quad monitor wallpapers. These are ideal for a Linux desktop with 4 monitors.
[7760×1440] Sci-fi and Landscape – Larger Collection & More user friendly resolution.
Collection of high-res, (12764×3590 pixels resolution) panoramic photos. Best quality for multiple monitors.
[12764×3590] Here's a few high resolution panoramic images I've taken over the years! [OC]
Over 30 7680×1920 wallpapers.
[7680×1440] A collection of 30 triple monitor wallpapers. Would love more in comments.
Apollo moon landing. 7740×2454 pixels.