alien eggs in a cave in retro scifi style

abstract alien aliens art artistic artwork beautiful cave cavern caverns caves digital dinosaur dinosaurs dragon dragons drawing drawings egg eggs entrance entrances explored fairy fantasy illustration illustrations image images imaginary lake lakes landscape landscapes mountain mountains mouth mouths nest nests overgrown painting paintings picture pictures plant plants retro rock rocks rocky scene scenery scifi shelter sheltered sight sights skylight skylights stone stones style tale vegetation view views waiting window windows world worlds