I've created a full-length worldbuilding tutorial that goes over the entire process of creating this image. This video series will be uploaded to YouTube for viewing.
YouTube Link: https://www.youtube.com/channel/UCRIarHJ90SY2x65Rn6Gtyqw
(Previously on ArtStation as well, now just find on YouTube!)
In this video series, I'll go over the entire process for creating a concept painting, from gathering photo reference and using it to design original fantasy architecture, to sculpting and modeling the world using 3D Coat and Blender.
Finally we'll create a render and finish the painting off in Photoshop. I've also included sections going over the basics of Blender and 3D Coat for beginners. This isn't meant to be comprehensive, only to get you started creating with these programs.
Hope you enjoy! About me: My name is Pace Wilder, and I'm concept artist working in the entertainment industry with experience in Animation, Film, and Games.
You can see the rest of my work here: http://pacewilder.com/
Or on my ArtStation: https://www.artstation.com/paceconceptart