Ephesus is considered one of the best-preserved ancient cities in the world, and its well-preserved ruins offer a glimpse into the daily life of ancient Greeks. The city was once home to over 250,000 people and was an important cultural, commercial, and religious center. Visitors can see the remains of the famous Library of Celsus, which once housed over 12,000 scrolls, as well as the Temple of Artemis, one of the Seven Wonders of the Ancient World. Additionally, the impressive theater, which once seated 25,000 people, is still used for performances and events today. The city is also significant for its early Christian history and was home to one of the seven churches of Asia mentioned in the book of Revelation. When visiting Ephesus, be sure to also visit the nearby ruins of the Temple of Hadrian and the Temple of Julius Caesar.