Accept "Colorado" and "Hoover"? (It might also pay to note that half of Lakes Mead and Tahoe, as well as half of Hoover Dam and Lake Mead, are in neighboring states)
Who fought Manny Paquiao? That's the best we could do for a question inherently about Nevada? I have several possibly topics infinitely more appropriate: nuclear testing, 'Battle Born', MGM fire, Binions/Rio home of World Series of Poker, McCarran Airport, other NV cities (Winnemucca, Elko), Reno's nickname, and any trivia about any of a dozen well-known casinos.