1. The Notre-Dame Basilica of Montreal is a stunning piece of architecture that combines Gothic and Renaissance styles. It was built in the 19th century and features beautiful stained glass windows, intricate wood carvings, and a huge pipe organ. Notable features include the altar, which is one of the largest in North America, and the blue and gold ceiling, which resembles a starry sky. The basilica has also hosted famous events, including the wedding of Celine Dion in 1994.

2. The basilica is open for visitors every day from 8 am to 4.30 pm. The phone number is +1 514-842-2925.

3. Tickets for the Notre-Dame Basilica can be purchased online or at the door. Prices range from $8 for children to $15 for adults. Guided tours are also available for an additional cost. The basilica is located in the heart of Old Montreal, and visitors can take the metro to Place d’Armes station or use public transportation. Parking is available nearby for a fee.