Planning a trip to Turkey? Looking for Off-the-Beaten-Path Tour in Istanbul? Which are the top sightseeing places in Istanbul? The vibrant Istanbul offers an interesting selection of museums, parks, buildings, and attractions that you must see once in a life. Which are Istanbul'smost important byzantine sights? Hagia Sophia is just the beginning of these. Istanbul offers you the chance to discover Byzantium and Constantinople heritage. Get stunned with one of the biggest cities in the world and its sights. Get ready to experience Turkey from a different perspective. A local charismatic guide will reveal the secrets and interesting facts about Turkish history and culture.