The Villa of San Antonio: acrossfrom the falls of the Anio a former monastery dedicated to Saint Anthony incorporates in its structure remnants of a late Republican villa which has been attributed to Horace. The upstairs rooms (now a private residence) preservesome original mosaic floors while in the substructurebeneath is a fine nymphaeum best illustrated in an early nineteenth-centuryengraving (Left) by Rossini. 293