Istanbul "Orient Express" Walking Tour. Track the story of the original "Orient Express" train on this 4-hour Istanbul tour. With a knowledgeable guide, visit the station where the gleaming Wagon-Lits carriages arrived from 1883 through 1977. Hear how the train inspired a famous Agatha Christie whodunit novel, and see sites that were around during the train's heyday. After a Golden Horn boat ride to Galata and Beyoğlu, ride the Tünel, one of the world’s oldest subways. Numbers are limited to 15 for a more personalized experience. Book this Tour and Save 10% Off Istanbul Orient Express Walking Tour.