This architectural marvel displays 30 million gold tiles throughout its interior, and a wide, flat dome which was a bold engineering feat at the time it was constructed in the 6th century.

Built between 1609-1616, this impressive mosque has six minarets. Why is it called "Blue Mosque?" There are two stories: the first, more common one is that the interior is covered in Blue İznik tiles. The second is: many years ago, ancient sailors who sailed by the mosque on the Marmara Sea saw the blue colors of the sea reflected in the mosque.

The old section of Istanbul where you can find many attractions including Topkapi Palace and the Blue Mosque.

Famed architect Sinan built this majestic structure for one of the greatest rulers of the Ottoman Empire. Although this mosque is less ornate, there are many similarities between it and the Hagia Sophia since the same architect was responsible for both.

Temporarily closed. This historic watchtower, also known as the Galata Kulesi Museum, can be found at the end of Istanbul’s Istiklal shopping street. Today, this museum has exhibition spaces where you can learn about the area's history and admire the iconic architecture of this stone tower. Head up to the observation deck, where you'll be treated to sweeping views of the city and the Bosphorus Strait. It gets busy during sunset though—you can skip the lines with an Istanbul Museum Pass. There are loads of shops and restaurants in the area too—you can explore the tower and the surrounding area on a guided tour of Istanbul.

This palace was built in the mid 1800s to replace an earlier structure that was made of wood. The new palace incorporated sixteen separate buildings with stables, a flour mill and a clock tower among them.

This cobblestone street attracts both locals and tourists who walk its length to enjoy the many restaurants, cafes and shops. Many of the city's movie theaters are also located here.