I'm normally not the biggest fan of bunk beds. There's just something a little too manufactured and stale about them. BUT when they are used in custom built-ins, I'm smitten. There are so many different ways you can make them cozy and inviting. Here are a few favorites: Images via 1 , 2 , 3 , 4 , 5 , 6-unknown, 7 , 8 , 9-10 unknown