Fallbrook is known for its vineyards and wineries, so dedicate your third day to exploring the local wine scene. Start your day with a visit to the Fallbrook Winery, where you can take a tour of the vineyards and indulge in wine tastings. Enjoy a leisurely lunch at the winery's scenic picnic area. In the afternoon, head to the nearby Pala Mesa Resort, which offers stunning views of the surrounding vineyards. Take a guided tour of the resort's winery and end the day with a relaxing dinner paired with local wines.