Pamukkale is a town in western Turkey known for the mineral-rich thermal waters flowing down white travertine terraces on a nearby hillside. It neighbors Hierapolis, an ancient Roman spa city founded around 190 B.C. Ruins there include a well-preserved theater and a necropolis with sarcophagi that stretch for 2km. The Antique Pool is famous for its submerged Roman columns, the result of an earthquake.

Troy was a city in the far northwest of the region known in late Classical antiquity by its Roman provincial or regional names, Asia Minor, or Anatolia now Anadolu in modern Turkey, just south of the southwest mouth of the Dardanelles strait and northwest of Mount Ida.

Bursa is a large city in northwest Turkey, lying in the foothills of roughly 2,500m-high Mount Uludağ near the Sea of Marmara. The city is known for its mosques and historical sites from the early Ottoman Empire. It's nicknamed "Yeşil Bursa" (Green Bursa), owing to its many parks and trees, as well as its dramatic mountain backdrop. The 14th-century Ulu Cami (Great Mosque) features Seljuk-style arches and 20 domes.

Antalya is a Turkish resort city with a yacht-filled Old Harbor and beaches flanked by large hotels. It's a gateway to Turkey's southern Mediterranean region, known as the Turquoise Coast for its blue waters. Remnants remain from Antalya's time as a major Roman port. These include Hadrian’s Gate, built to honor the Roman emperor’s visit in 130 A.D and 2nd-century Hidirlik Tower, with harbor views.

Cappadocia, a semi-arid region in central Turkey, is known for its distinctive “fairy chimneys,” tall, cone-shaped rock formations clustered in Monks Valley, Göreme and elsewhere. Other notables sites include Bronze Age homes carved into valley walls by troglodytes (cave dwellers) and later used as refuges by early Christians. The 100m-deep Ihlara Canyon houses numerous rock-face churches.

Istanbul is a major city in Turkey that straddles Europe and Asia across the Bosphorus Strait. Its Old City reflects cultural influences of the many empires that once ruled here. In the Sultanahmet district, the open-air, Roman-era Hippodrome was for centuries the site of chariot races, and Egyptian obelisks also remain. The iconic Byzantine Hagia Sophia features a soaring 6th-century dome and rare Christian mosaics.

Istanbul is the most populous city in Turkey and the country's economic, cultural and historic center. Istanbul is a transcontinental city in Eurasia, straddling the Bosporus strait (which separates Europe and Asia) between the Sea of Marmara and the Black Sea. Its commercial and historical center lies on the European side and about a third of its population lives in suburbs on the Asian side of the Bosporus. With a total population of around 15 million residents in its metropolitan area, 

Turkey is a transcontinental country located mainly in Western Asia, with a smaller portion on the Balkan Peninsula in Southeast Europe. East Thrace, located in Europe, is separated from Anatolia by the Sea of Marmara, the Bosphorous strait and the Dardanelles (collectively called the Turkish Straits). Turkey is bordered by Greece and Bulgaria to its northwest; Georgia to its northeast; Armenia, the Azerbaijani exclave of Nakhchivan and Iran to the east; and Iraq and Syria to the south.