Your target was the library of Celsus at Ephesus in Turkey in 150 A.D.

The following websites will provide you with more information and pictures:

http://www.greatbuildings.com/buildings/Library_at_Ephesus.html

http://www.sailturkey.com/panoramas/ephesus/library.html

http://www.ephesus.us/ephesus/celsuslibrary.htm