Jay Leno sits down exclusively with TODAY’s Hoda Kotb to open up about caring for his wife Mavis, who lives with advanced dementia, revealing that the "toughest part" has been watching her relive the death of her mother for years. | Today Show

400 million people attended the world's largest gathering, India's Mahakumbh Mela, and Nat Geo photographer and Explorer George Steinmetz was there to capture this footage featured in our Pictures of the Year 2025. Every 12 years, an enormous tent metropolis is temporarily erected for pilgrims celebrating the Hindu festival of Kumbh Mela and seeking absolution at the Ganges and Yamuna rivers. This year's festival was particularly significant, occurring during an astrological conjunction that onl