Istanbul is a city with a rich history and culture, and there are many things to see and do. Here are some of the top attractions and experiences to consider:

1. Hagia Sophia Mosque: This is one of Istanbuls most popular and iconic historic sites, and for good reason. The massive, transcendent dome is breathtaking and can easily be gazed at for hours. The walls are adorned by Byzantine mosaics featuring portraits of bygone emperors and representations of Christ.

2. Basilica Cistern: This is an underground water reservoir built in the 6th century. It is a fascinating place to visit, with its rows of columns and eerie lighting.

3. Suleymaniye Mosque: This is one of the largest and most impressive mosques in Istanbul. It was built in the 16th century and features stunning architecture and intricate tile work.

4. Sultanahmet District: This is the heart of Istanbuls historic old city, and it is home to many of the citys top attractions, including the Hagia Sophia, the Blue Mosque, and the Topkapi Palace.

5. Topkapi Palace: This was the residence of the Ottoman sultans for nearly 400 years. It is a sprawling complex with beautiful gardens, courtyards, and buildings. Visitors can see the sultans private chambers, the harem, and many other fascinating exhibits.

6. Blue Mosque: This is one of Istanbuls most famous landmarks, with its six minarets and stunning blue tile work. It is still an active mosque, so visitors should be respectful of worshippers.

7. Grand Bazaar: This is one of the largest and oldest covered markets in the world, with over 4,000 shops selling everything from spices to jewelry to textiles. It is a great place to shop and explore.

8. Chora Church: This is a beautiful Byzantine church with stunning mosaics and frescoes. It is located outside the main tourist zone, but it is well worth the trip.

9. Bosphorus Cruise: This is a great way to see Istanbul from a different perspective. Visitors can take a boat tour along the Bosphorus Strait, which separates Europe and Asia.

10. Galata Tower: This is a medieval tower that offers panoramic views of Istanbul. It is a great place to watch the sunset.

11. Istanbul Archaeology Museums: This is a collection of three museums that showcase Istanbuls rich history. Visitors can see artifacts from the Byzantine, Ottoman, and other periods.

12. Dolmabahce Palace: This is a stunning palace built in the 19th century. It is a great place to see Ottoman-era architecture and design[[2]](https://www.timeout.com/istanbul/things-to-do/best-things...