Gigantic humanoid sea monsters by Anato Finnstark.
The impressive futuristic and science fiction themed artworks of René Aigner - https://www.this-is-cool.co.uk/the-impressive-digital-art-of-rene-aigner/
Ginga Eiyuu Densetsu: Die Neue These - Kaikou
The Legend of the Galactic Heroes: The New Thesis - Encounter (2018)
“Ghostship” by pascalblanche: http://bit.ly/2G0WWSo
The image instantly becomes more haunting upon reading its title.
The superb science fiction themed artworks of Georg Hilmarsson - http://www.this-is-cool.co.uk/the-science-fiction-art-of-georg-hilmarsson/