Where is Castle Rock?

Castle Rock - 16th Street Mall Castle Rock - Albuquerque Castle Rock - Birmingham Castle Rock - Boulder Castle Rock - Bozeman Castle Rock - Breckenridge Castle Rock - Colorado Springs Castle Rock - Denton Castle Rock - Durango Castle Rock - Estes Park Castle Rock - Fort Collins Castle Rock - Glacier National Park Castle Rock - Golden Castle Rock - Grand Junction Castle Rock - Las Vegas Castle Rock - Monument Castle Rock - Olympia Castle Rock - Pueblo Castle Rock - Tacoma Castle Rock - Telluride Castle Rock - Wyoming Castle Rock - Vancouver Castle Rock - Pinedale Castle Rock - Cripple Creek Castle Rock - Jackson Castle Rock - Sedona Castle Rock - Branson Castle Rock - Steamboat Springs Castle Rock - Denver Castle Rock - Santa Fe Castle Rock - Vail Castle Rock - Portland Castle Rock - Aurora