At the Chicago History Museum, a pair of ostrich-feather fans tells of a risque dancer who scandalized the Chicago's World Fair. At the Joseph Jefferson Mansion and Gardens on Lake Peigneur in Louisiana, an antique urn is one of few relics to survive... (more) a terrifying earth-shaking disaster. And at the Los Angeles Police Museum, twisted bullet fragments are all that remain of a notorious gangster's brutal slaying that remains shrouded in mystery.