Size comparison: Buildings, Ships, Mecha, Vehicles by SRegan on DeviantArt

Star Trek Ships, Alpha and Beta species. by jbobroony on DeviantArt

Ultra-futuristic Vladivostok by Pickgameru on DeviantArt

Ornur Boat by Pedro-Silva-Souto on DeviantArt

Space colonial base 01b by VicenteRevertSanz on DeviantArt

Size comparison v2 by SRegan on DeviantArt

Size Comparison Chart by Afterskies on DeviantArt

Venusian City by ohshinakai on DeviantArt

Folx Bank Tower by Rayburna2024 on DeviantArt

The Amaniterra by Pangaea-Rose on DeviantArt

Resort World 2 by Elisvara on DeviantArt