Round Rockbr/Williamson County, Texasbr/30 34.285' N 97 40.285' Wbr/Directions: Start at the intersection of University Boulevard and Terravista Club Drive. Go .4 miles north on Terravista Drive. The house is on the right (east) side of the road.br/ br/Text: Built 1860, by T. J. Caldwell. Cedar used in foundation, rafters and floor joists were cut on property; rock quarried from grounds. Slaves helped build house. Bought in 1892 by Sven W. and Mary Caldwell Palm from the Caldwell estate.