Taylor Swift's "Speak Now" tour dresses are on display at the Country Music Hall of Fame and Museum in Nashville, Tenn. "I'm so glad that this tour is something that people are going to remember…it's really exciting," Swift told Katie Couric. See more with Swift on "All Access Nashville with Katie Couric," a special edition of "20/20," Friday at 9 p.m. ET. (Courtesy 13 Management)