It is fine to have useless buildings only for their looks. Generally you want to start basic, don't over-exert yourself on the first day! An underwater base (not a good first shelter.).A dugout (When making it, you will gain and not use blocks, unless you run into an opening that you want to block off.).
A larger fort or castle (a collection of buildings, sometimes arranged around a courtyard.A small dirt shack (Good for the first night).8.3 Zen Garden (can be seen indoors sometimes).7.19 Make another base in a new location.7.18 Remake it out of a different material.7.15 Add above-ground floors to your shelter.7.14 Add underground floors to your shelter.5.31 Target practice room (non-hostile).
