Adaland, also known as Modisett Mansion, is a historic home located at Berryburg, Barbour County, West Virginia. It was built in 1868 and is a two story, "L"-shaped, Greek Revival style brick house. It sits on a cut fieldstone foundation on top of a hill with an excellent view of the surrounding hills, farms, mines, and gardens. Also on the property are a contributing carriage house (1872) and 19th century barn. The property was purchased by West Virginia Supreme Court of Appeals Justice Ira E. Robinson in 1920. It is open as a historic house museum.