Built between 1824 and 1829, this vast Gothic Revival church is renowned for its polychrome interior and rich ornamentation. Its treasures include an 1891 Casavant organ, one of the largest in North America, and its remarkably carved high altar and pulpit. Don't miss the Our Lady of the Sacred Heart Chapel, with its linden woodwork and bronze reredos. Many concerts and organ recitals are held at the Basilica. In the evening, the sound and light show highlights the Basilica's exceptional works of art and brings to life it's cultural, architectural and spiritual heritage.