Velanganni is the site of the famous Roman Catholic Basilica of Our Lady of Good Health. Constructed and renovated in many phases over several centuries, this impressive white neo-Gothic structure, with its blue (symbolic of Our Lady) trimming, dates mainly from the mid-1970s to 1980s. In 1962 it was elevated to the status of basilica during a visit by Pope John XXIII. Every year for nine days leading up to 8 Seprember a festival known as the Feast of Our Lady of Good Health is held at the basilica. It draws hundreds of thousanda of people (Christians as well as non-Christians) from across India. Every evening of the festival, music and poetry are performed on an open stage, and the festival concoludes with a special mass, conducted by the Bishop of Thanjavur.