Hollis Times Hollis, NH Other Attractions Overlook Golf Course Hollis, NH Golf Courses Hollis Flea Market Largest Open Air Flea Market in NH. We have 400 + vendors, spread over 15 + acres, large and diverse crowd of shoppers. Open on Sundays April-October 6:00am-- Hollis, NH Other Attractions Beaver Brook Association Hollis, NH Businesses Alpine Grove Banquet Facility Hollis, NH Other Attractions