Originally a church, then a mosque, and now a museum, Hagia Sophia is an architectural marvel that has stood the test of time. Its stunning mosaics and vast dome are a must-see.
Known for its magnificent blue tiles, the Sultan Ahmed Mosque (Blue Mosque) is one of Istanbul's most iconic landmarks. It's a functioning mosque, so be sure to dress modestly when visiting.
This grand palace was the residence of Ottoman sultans for centuries. It offers a glimpse into the opulent lifestyle of the sultans with its lavish rooms and beautiful gardens.
One of the largest and oldest covered markets in the world, the Grand Bazaar is a bustling hub of shops selling everything from jewelry and spices to carpets and souvenirs.
An ancient underground water reservoir, the Basilica Cistern is known for its eerie, dimly lit atmosphere and the Medusa head column bases.
Take a boat trip along the Bosphorus Strait to enjoy stunning views of the city skyline and its two continents.
Climb to the top of this medieval stone tower for panoramic views of Istanbul's historic peninsula.
Art lovers should not miss Istanbul Modern, a contemporary art museum showcasing both Turkish and international artists.
Another masterpiece of Ottoman architecture, this mosque is less crowded than the Blue Mosque and offers breathtaking views of the Golden Horn.
Also known as the Egyptian Bazaar, it's a vibrant place to taste and purchase a variety of spices, teas, and Turkish delights.