In honor of National Cake Decorating Day, we scoured the web to find five masterfully decorated geeky cakes, expertly crafted into iconic rides from comics and sci-fi.

Before you hit the theaters to see the saga of astronaut Mark Watney (Matt Damon) and his tale of survival against incredible odds, prime your viewing experience with these 5 fast facts about The Martian.

(Warning: minor spoilers ahead!)