Notre-Dame Basilica
The Notre-Dame Basilica was constructed in 1824 in order to house the Sulpician Order of Montreal , which had been in existence since 1672. The gothic architecture of the building is spectacular, and the 7000 pipe organ in combination with the extensive stained glass windows which depict the history of the Catholic faith in the city make it a popular attraction.

St-Joseph's Oratory
Towering above the city's skyline thanks to its geographical position, St-Joseph's Oratory is an important shrine famous for the miracle cures of Brother Andre, the original chapel's founder. The Oratory possesses the second largest church dome in the world, trailing only Saint Peter's Basilica, and the hundreds of steps which lead up to it are sometimes decorated with the canes and crutches of those who have been healed by the Oratory's power. The building is especially beautiful when illuminated at night, whether seen from up close or at a distance.

Olympic Stadium
Built for the 1976 Olympics, the Olympic Stadium then went on to host the Montreal Expos baseball team before being converted into use as a convention center. Part of the same complex that includes the Biodome and the Insectarium, the interesting architecture of the Stadium is enhanced by the world's tallest leaning town, which rises up over the main building. The tower has a sightseeing deck which provides extensive views towards downtown and also the eastern half of the city.

Underground City
One of the more spread out, but unique attractions to be found in Montreal are the 32 kilometers of connected tunnels which make up the underground city. So named due to the fact that an enormous section of downtown has all of their buildings linked together, the city has sprung up several underground shopping malls and restaurants. This means that many Montrealers to never have to go outdoors during the winter time. Most downtown attractions can be reached via the underground city's tunnels.