National Sense of Smell Day is celebrated on April 25 and is dedicated to appreciating the various scents that our noses can detect. Founded by the Sense of Smell Institute, this day encourages individuals to engage with their sense of smell by savoring new scents and playing games that involve identifying odors. Typical customs include taking time to appreciate different smells, such as those found in nature or food, and participating in activities like "The Pleasure Room," where friends guess scents. The day highlights the significance of smell in daily life and its connection to memory and emotions. Additionally, it serves to raise awareness about the importance of this often-overlooked sense.