The Olana A Texas-Sized Dream Turned Wedding Wonderland. Texas is known for doing everything big, and The Olana is no exception. Formerly known as “Champ d’Or,” this magnificent estate in Hickory Creek, Texas, once held the title of the largest home in the state. With over 48,000 square feet of luxury set on 35 acres, it’s no longer a private residence but a wedding and event venue that will leave you breathless.