America's biggest ranch, which is larger than New York City, goes on sale for $713million in Texas The Waggoner Ranch is the largest contiguous ranch in the United States spanning six counties in Northern Texas Listing marks end of decades-long court battle among heirs of cattle baron W.T. Waggoner who founded it in 1923 The estate includes the 510,000-acre ranch with two main compounds, hundreds of homes and 20 cowboy camps Also included are hundreds of quarter-horses, thousands of cattle, 1,200 oil wells and 30,000 acres of cultivated land It reportedly falls within 'super asset class', akin to selling the...