With the 4-day work week on the horizon (one can hope, right?), the 3-day weekend is becoming more popular than ever! Whether your company is a fan of a great work life balance, or you just want to take advantage of a free Friday or Monday, here are some great 3-day trips you can take to maximize a short vacation. San Francisco, California San Francisco, California, is my favorite stop for a 3-day weekend. While you can certainly spend more than 3-days here, that amount of time is perfect to get a feel for this west coast city. In three days, you can explore the popular Pier 39, ride an…