Being on the frontier of the Occident and the Orient, Istanbul is one of the architecturally richest cities in the world. Examples of Christian and Islamic architecture abound in the city which will keep you busy for a few days or a lifetime.
Ephesus, an ancient Greek city, near the present day town of Selcuk boasts of magnificent antiquities and a carefully restored library building. Driving east will get you to Pamukkale, a site of amazing beauty with white calcified terraces covering a whole mountain side.
Cappadocia, with it’s Martian relief, is a out-worldly experience. Massive fairy chimneys and hillocks carved into living communities has to be seen to be believed.