By Brandy McDonnellA version of this story appears in Sunday's Life section of The Oklahoman. Celtic knotYukon's Iron Thistle festival celebrates Scottish and related culturesYUKON - From caber toss and bagpipes to Scotch eggs and Highland cattle, the sights and sounds, tastes and smells of Scotland are celebrated every spring at a farm in Yukon.For more than a decade, the United Scottish Clans of Oklahoma has been honoring the traditions of Scotland and other Celtic nations at the annual Iron Thistle Scottish Heritage Festival and Highland Games.Read more on NewsOK.com