(CNN) - The cathedral of Notre Dame in Paris is home to numerous artifacts, works of art and religious relics that each tell a story. As a devastating fire tore through the cathedral on Monday, toppling its spire, many feared those items will be lost.
Here's an overview of some of the Gothic cathedral's most noteworthy features.
• The Rose Windows are a trio of immense round windows over the cathedral's three main portals.
• The Great Organ has been replaced and updated several times throughout history. The position of titular organist, or head organist, carries great prestige in France and around the world.
• The cathedral's main bell, Emanuelle, has marked significant moments in French history, such as the end of World War II, as well as holidays and special occasions.
• The cathedral's treasury contains several artifacts sacred in Christianity, including what is believed to be the Crown of Thorns, a fragment of the True Cross and one of the Holy Nails.
• On the cathedral's exterior, a menagerie of menacing gargoyles and chimères stand guard.
• The twin bell towers, first constructed in the 13th century, were the tallest structures in Paris until the completion of the Eiffel Tower in the late 19th century.
• Numerous sculptures, statues and paintings inside the cathedral depict Biblical scenes and saints.
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