Question: off the beaten path things to do in istanbul?
Answer: Descend into the Basilica Cistern. Most travelers walk on top of this ancient cavern for days without realizing it. ... 
Explore the Asian Side. ... 
Go to the Prince Islands. ... 
Take a Ferry. ... 
Explore Jewish History. ... 
Watch the Fishermen on Galata Bridge. ... 
See the Obelisk of Theodosius. ... 
Snap a Photo with Tombili.