Istanbul Bosphorus Sightseeing Cruise and Mobile Audio Guide

Built in an opulent European style, Dolmabahce Palace (Dolmabahce Sarayi) was the home of the Ottoman sultans in the late 19th and early 20th centuries, before the fall of the empire. The giant crystal chandeliers, marble staircases, and lush carpets that adorn the interior reflect the shift toward Istanbul’s more European way of thinking.

Istanbul’s bustling waterside neighborhood of Ortaköy buzzes with the energy of bars, restaurants, cafés, and nightclubs. The main sight here is the Ortaköy Mosque (Ortaköy Cami), a 19th-century structure featuring a blend of baroque and neoclassical influences. Behind it, the Bosphorus Bridge looms, connecting the old Istanbul with the new.

The Bosphorus Bridge (Bogazici Koprusu) in Istanbul is one of three continent-spanning bridges over the Bosphorus Strait, connecting Europe and Asia. When it opened in 1973, the 5,118-foot (1,560-meter) bridge was the fourth-longest suspension bridge in the world. And though it has since slid down the rankings, it is still an impressive sight to behold.

Built over just four months, the 15th-century Rumeli Fortress played a key role in the fall of Byzantine Constantinople. Together with the Anatolian Fortress (Anadolu Hisarı) on the Bosphorus, Rumeli Fortress was used by the Ottomans to cut off aid and supplies to Constantinople. Today, it serves as both an open-air theater and site of historical interest.

Surprisingly for a city split between two continents, Istanbul existed without connecting bridges for most of its existence. After the construction of the Bosphorus Bridge in the 1970s, the second unifying bridge, Fatih Sultan Mehmet, came in 1988. It is part of Istanbul’s O-2 highway and connects the European and Asian sides of the city.