The festival in Mexico celebrated with altars commemorating deceased loved ones is Día de los Muertos. This vibrant festival honors those who have passed away, allowing families to celebrate their lives through decorated altars known as ofrendas. These altars are adorned with photographs, candles, and traditional foods. The festival blends indigenous practices with Catholic traditions, emphasizing remembrance and the cycle of life and death. It highlights cultural heritage, family bonds, and the belief that the spirits of the departed return to visit the living.