Castelfidardo stands on a hill between the river valleys of Aspio and Musone. It is a small town inserted in history and a walk through it will let you discover very characteristic alleys and suburbs. Numerous churches can be visited such as St. Annunziata, St. Mary Apparente, St. Mary of Mercy, St. Augustine, the Collegiate Church, the Monastery of St. Benedict, St. Francis and St. Rocco. The ancient gateways of the town, Porta del Cassero, Porta del Sole, Porta di Sasso and Porta Vittoria are of particular value.
Historical buildings and the monument of the Accordion are a worthwhile visit.