Where is Opal?

Opal - Durham Opal - Baltimore Opal - Caldwell Opal - New York Opal - La Crosse Opal - Fargo Opal - Henderson Opal - Farmington Opal - Union City Opal - Montgomery Opal - Alhambra Opal - Greenville Opal - Casper Airport Opal - Quilli Opal - Chandler Opal - Huntington Opal - Diamondville Opal - Rock Springs Airport Opal - Granger Opal - Medina Opal - Arcadia Opal - Franklin Opal - Colombia Opal - Eden Opal - Woodbury Opal - Franklin Opal - Coquille Opal - Alpine-Northwest Opal - North Miami Opal - Randolph Opal - Marietta Opal - Caledonia Opal - Arlington Opal - Dover Opal - Farmington Opal - Piedmont Opal - Caldwell Opal - Greensboro Opal - Evanston Opal - Kemmerer Airport Opal - Rhino Opal - Buffalo Opal - Newport Opal - Newton Opal - St. Charles Opal - Pomona Opal - Akron Opal - Buffalo Opal - Almy Opal - Big Piney Opal - Alpine Opal - Decatur Opal - Pearl Sage Opal - Marietta Opal - Rochester Opal - Garden City Opal - Brian Opal - McKinnon Opal - Turneville Opal - Wilson Opal - Hampton Opal - New London Opal - North Rock Springs Opal - Greenville Opal - Bartlett Opal - Sacramento Opal - Rock Springs Opal - Dover Opal - Troy Opal - St. Petersburg Opal - Auckland Opal - Columbus Opal - Sarepta Opal - Arlington Opal - Kingston Opal - Nevada Opal - Providence Opal - Albany Opal - Kemmerer Opal - Murfreesboro Opal - Winona Opal - Boulder Opal - Yellowstone National Park Opal - Charleston Opal - Huntsville Opal - Frontiere