Four (4) Admission Passes to the Concord Museum in Concord, MA.  The Concord Museum is home to one of the oldest collections of Americana in the country and has been open to the public since before the Civil War.  Here you'll find the famous 1775 Revere lantern, the desk where Henry David Thoreau penned Walden, and a wide variety of programs for adults, children and families.  www.concordmuseum.org