Basilica of Our Lady of the Immaculate Conception, Roman Catholic basilica in Boulogne-sur-Mer, France.
The Basilica of Our Lady of the Immaculate Conception features traditional Catholic architecture with stone facades, stained glass windows depicting Marian scenes, and religious sculptures throughout its interior spaces.
Built in the 19th century on the site of a medieval church that was destroyed during the French Revolution, the basilica replaced the original structure where King Edward II of England married Isabella of France.
The basilica serves as a center for Marian devotion in northern France, hosting religious ceremonies, processions, and feast day celebrations that maintain centuries-old Catholic traditions in the local community.
Located at 2 Parvis Notre Dame, the basilica operates daily from 07:00 to 19:00 with free admission, allowing visitors to explore its interior architecture and participate in regular religious services.
The basilica contains the longest crypt in France, measuring 128 meters, which houses 11th-century Romanesque columns and foundations of an ancient Roman temple dedicated to Mars discovered during archaeological excavations.
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