Some of the best sci-fi isn't clean lines and futuristic tech—sometimes it's the run-down, fantastical ruins at the end of the world. Decorate your desktop with them in this week's Wallpaper ...

It's the end of the world as we know it, and I feel not-so-fine. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. I'm not sure how much ...