Beacon of knowledge , Darius Kalinauskas on ArtStation at

beacon of knowledge by darius kalinauskas Spectrum The Best in Contemporary Fantastic Art

СUBE, Ruslan Safarov on ArtStation at

Image added in Concepts & Illustrations Collection in Illustration Category

Thru, Gabriele Pala on ArtStation at

ArtStation - Thru, Gabriele Pala. A giant sky portal, or a teleport gate. The blue shields allow ships to pass, or not?