Historic structures are buildings or monuments that hold significant cultural, architectural, or historical value. They often reflect the design and construction techniques of their time, showcasing the artistry and craftsmanship of past societies. Examples include ancient temples, castles, and bridges that have stood the test of time. These structures are important for education and tourism, as they provide insight into the history and heritage of a region. Preservation efforts aim to maintain their integrity, allowing future generations to appreciate landmarks like the Colosseum in Rome or the Great Wall of China.