Celebrate Fourth Friday at the River Towns - The fourth Friday of every month is a special community celebration in the Susquehanna River Towns of Columbia, Marietta, and Wrightsville, PA. Come out on these Fridays from 5:00 - 9:00 pm as restaurants, shops, and attractions open their doors to these special events. Take a self-guided tour each month, and visit galleries, antique shops, specialty shops, and restaurants throughout the area. View exhibits from local artists while you enjoy special promotions…