Wrap up our three-part visit to Omni Mount Washington Resort with treasures including Gen. James Longstreet's captured shotgun, The Who concert photos & autographs, and an Amelia Earhart-signed pamphlet. Which is appraised for up to $100,000?

ROADSHOW reveals remarkable appraisals at Grounds for Sculpture, including a Chinese imperial celadon charger, a 1968 "Yellow Submarine" animation cel and a Harry Bertoia sonambient sculpture. Which appraisal is a shocking $80,000-$120,000?