Host Mark L. Walberg and appraiser Christopher Mitchell meet at Little Big Horn National Monument to discuss the weapons used in the infamous battle between American Indian warriors and Lt. Col. George Custer's Seventh Cavalry Regiment. Highlights include a 19th-century Chinese jade brush washer; a 1752 English silver coursing trophy; and a long-lost 19th-century Arthur Brown watercolor scene of Yellowstone National Park, valued at $75,000 to $125,000.