This Is the Most Beautiful Excel Spreadsheet Ever Spreadsheet-ed
It's kind of a low bar, but this is almost definitely the most beautiful Excel spreadsheet you will ever behold.
Yes, it's a spreadsheet, created by the 73-year old artist Tatsuo Horiuchi. You can see more of his work at Spoon & Tamago:
(You can download the original file here, if you need to prove to yourself it's Excel.)