Caddo Lake

Caddo Lake is a 25,400 acres) lake and wetland located on the border between Texas and Louisiana, in northern Harrison County and southern Marion County in Texas and western Caddo Parish in Louisiana. The lake is named after the Southeastern culture of Native Americans called Caddoans or Caddo, who lived in the area until their expulsion in the 19th century. It is an internationally protected wetland u and features the largest Cypress forest in the world. 

Source : Wikipedia