Hagia Sophia is the one of the most visited museums and most prominent monuments in the world in terms of art and the history of architecture. It has also been called “the eighth wonder of the world” by East Roman Philon as far back as the 6th century. http://ayasofyamuzesi.gov.tr/en/about-us

The ruins of the Roman Bath, located approximately 400 meters from Ulus, on Çankırı Avenue, stretching from Ulus Square, were completely unearthed by excavations in 1939-1943. With the works carried out between 1997-2001, it has gained the appearance of the Open Air Museum. The Roman Bath III. It is known that it was built by the Roman Emperor Caracalla (212-217) in the 19th century. The building, which was understood to have settled during the Phrygian, Roman, partly Byzantine, Seljuk and Ottoman periods, consists of 2 sections, the Pillared Road and the Hamam Building. https://www.ankaraka.org.tr/tr/roma-hamami-ziyareti_4064.html