Roman ruins are the remains of structures built during the time of the Roman Empire, which lasted from 27 BC to AD 476. These ruins include buildings like temples, amphitheaters, and baths, showcasing the architectural skills of the Romans. Many ruins can be found across Europe, North Africa, and parts of the Middle East, reflecting the vast reach of Roman civilization. These ancient sites provide valuable insights into Roman life, culture, and engineering. Notable examples include the Colosseum in Rome, the Pantheon, and the Roman Forum. Today, these ruins are important archaeological sites and popular tourist attractions, preserving history for future generations.