Money saving for museums etc (Istanbul)

A Museum Pass, which is TL Protected content $40), and this gives you entrance into a whole range of fantastic historical sites for 72 hours -- so you can have a full three days of sightseeing.
It doesn't cover every museum, but the main government-owned ones are free, and there are discounts on some key private museums. You get free entrance to Chora Museum, Hagia Sophia Museum, Topkapı Palace Museum and the Harem Apartments, İstanbul Archaeological Museums, İstanbul Mosaic Museum and the Museum of Turkish and İslamic Arts.
SOURCE: CHARLOTTE MCPHERSON (TodaysZaman)