Dive into the vibrant heart of Istanbul on a day tour featuring the city's top landmarks. Begin your morning by exploring the **Hagia Sophia**, a historic site that has transitioned from a church to a mosque, and appreciate its architectural and historical significance. Next, visit the Sultanahmet Imperial Mosque, also known as the **Blue Mosque**. See the intricate blue tiles that adorn its interior and learn about its importance as a revered place of worship. Continue your journey to the **Hippodrome**, once the social and sporting hub of the Byzantine Empire. As you explore, imagine the chariot races and events that took place at this ancient site. Conclude your tour with a visit to the **Grand Bazaar**. Experience the vibrant energy of one of the world's largest and oldest covered markets, with over 4,000 shops to explore.