Fire pit/family gathering space: could be as simple as a gravel area with a nice moveable fire pit. You could have a simple single width stepping stone path or even just lawn leading to it.
Bedroom, Wall Mounted Nightstand Wooden: Idea for the guest room
Home Bru Pacific (Photo: Stefano Lara / release)
DIY basement movie theater using palettes. This would be a cheaper and easier way to do this. I've always wanted a basement movie theater!