San Gimignano is a beautiful Tuscan town with plenty of things to see and do. Here are some of the top attractions and activities to consider:

1. Climb the Towers: San Gimignano is famous for its skyline of fourteen stone towers, and climbing the Torre Grossa is a great way to get a birds eye view of the town.

2. Explore the Historic Center: The Centro Storico is a UNESCO World Heritage Site and home to many of San Gimignano's top attractions, including the Piazza della Cisterna and the Palazzo del Pópolo.

3. Visit the Duomo: The Duomo of San Gimignano is a beautiful cathedral with ornate frescoes and a small but rich collection of art from the Middle Ages.

4. Try the Local Wine and Gelato: San Gimignano is known for its Vernaccia wine and delicious gelato, so be sure to sample both while you're there.

5. Take a Tuscan Cooking Class: Learn how to make traditional Italian dishes with fresh local ingredients by taking a cooking class in San Gimignano.

6. Visit the Wine Museum: The Vernaccia di San Gimignano Wine Experience is a museum dedicated to the town's famous white wine. It's a great place to learn about the history and production of Vernaccia.

7. Watch a Movie Under the Stars: In the summer, San Gimignano hosts an outdoor cinema where you can watch a movie on a hilltop in Tuscany.

8. Explore the Surrounding Countryside: San Gimignano is surrounded by beautiful Tuscan countryside, and there are plenty of hiking and biking trails to explore.

9. Visit a Winery: Take a tour of a local winery and learn about the wine-making process while sampling some of the region's best wines.

10. Relax and Enjoy the Atmosphere: San Gimignano is a charming town with a relaxed pace of life. Take your time to wander the streets, meet the locals, and soak up the atmosphere.