There are many fun and exciting things to do with your best friend. One great idea is to go on a road trip together, exploring new places and creating unforgettable memories. You can also plan a weekend getaway, booking a cozy Airbnb or camping spot in the great outdoors. If you're looking for something closer to home, you can plan a spa day, complete with massages, facials, and manicures. Another fun activity is to take a cooking or baking class together, learning new skills and creating delicious treats.