Much can be said about the Roman Catholic liturgy–its beauty, its grandeur, its necessity for Christian life and salvation. The liturgy is itself a work of the New Evangelization. The following links are really just an introduction to this wondrous theme.
Liturgy and Catechesis
Benedict XVI on Liturgy as Source of Catechesis; USCCB, Catechesis and Liturgy; Scripture in the Liturgy and Catechesis; Jesus and the Jewish Roots of the Eucharist; Liturgical Abuses