Beaver Brook Association Hollis, NH Businesses Overlook Golf Course Hollis, NH Golf Courses Hannah Dustin Quilt Guild Hollis, NH Businesses 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 Businesses Alpine Grove Banquet Facility Hollis, NH Other Attractions