Iceberg lettuce is a type of crisp, green leafy vegetable known for its round shape and crunchy texture. It has a pale green color and is often used in salads, sandwiches, and wraps. This lettuce variety is popular for its mild flavor and ability to stay fresh for longer periods compared to other types of lettuce. Originally cultivated in California, iceberg lettuce is now grown in many regions around the world. It is low in calories and provides some vitamins and minerals, making it a healthy addition to meals. However, it has a lower nutritional value compared to darker leafy greens like spinach or kale.