Top 4 in Top 10 Most picturesque locations in Turkey.
The library is "one of the most impressive buildings in the Roman Empire ", completed around the years 114-117 and built to accommodate 12,000 rolls of books and to serve as a mausoleum for Celsus, who was buried in a tomb beneath the library in marble cored. The Celsus library is "the third largest library in the ancient World" after the library of Alexandria and Pergamum.