Istanbul -TO- Athens (Piraeus)

For more than fifteen centuries, Istanbul has been the pivot upon which empires turned — Byzantium, Constantinople, the Ottoman capital — and nowhere else on earth compresses so much history into a single horizon. The Hagia Sophia, the Blue Mosque, and the Topkapi Palace form an incomparable trinity of architectural genius along the Golden Horn; the Grand Bazaar's four thousand shops offer a sensory immersion unlike any other marketplace. Must-dos include a Bosphorus sunset cruise and a meal of mezze along the waterfront at Karaköy. Spring (April–May) and autumn (September–October) offer the most gracious climate for this inexhaustible city.

Çanakkale is a vibrant Turkish university town commanding the Dardanelles strait, serving as the gateway to ancient Troy and the Gallipoli battlefields—two of the most emotionally powerful historical sites in the world. Must-dos include the Troy archaeological site and museum, Gallipoli memorials, and waterfront meyhane dining with fresh Dardanelles seafood. April through October is ideal, with spring best for Anzac Day and wildflower-covered battlefields.

Izmir is Turkey's cosmopolitan Aegean capital, a three-thousand-year-old port city with a vibrant waterfront kordon, the labyrinthine Kemeraltı bazaar, and easy access to the ancient city of Ephesus. Must-do experiences include tasting boyoz pastries, exploring the Roman Agora, and day-tripping to Ephesus and its Library of Celsus. April through June and September through November offer the most pleasant temperatures for exploration.

Rhodes, Greece's resplendent Dodecanese jewel, merges a UNESCO-listed Medieval Old Town built by the Knights of St. John with sun-soaked Aegean beauty just seven miles from the Turkish coast. Wander the Street of the Knights before tasting *pitaroudia* fritters and local Athiri wine at an Old Town taverna, then take a catamaran to the neoclassical harbor of Symi. The island basks in over 300 days of sunshine annually, with April through June and September through October offering ideal temperatures for exploration without the peak-summer crowds.

Alanya is a dramatic Turkish Riviera port city crowned by a massive thirteenth-century Seljuk fortress atop a rocky peninsula, with Cleopatra's Beach below. Must-dos include exploring the castle complex and Red Tower, taking a boat tour around the peninsula's sea caves, and savoring traditional Turkish meze at a clifftop meyhane. Visit in spring (April–June) or autumn (September–November) for warm weather without the summer crowds.

Limassol is Cyprus's cosmopolitan coastal city, where a Crusader castle, revitalized old town, and spectacular modern waterfront meet the world's oldest named wine tradition in the nearby Troodos foothills. Visit year-round for the medieval heritage, Commandaria wine villages, and excursions to the ancient theatre of Kourion perched above the Mediterranean.

Alexandria is the ancient Mediterranean port where the Great Library, Euclid's geometry, and the Pharos lighthouse defined Western civilization, now home to the stunning Bibliotheca Alexandrina and the multicultural Catacombs of Kom el-Shoqafa. Visit October through April via Oceania Cruises or Royal Caribbean for twenty-three centuries of layered history, optional Cairo excursions, and the city whose intellectual legacy surpasses most nations.

Heraklion, the capital of Crete, is a historic port city rich in Minoan heritage and Venetian architecture, making it an essential stop for cruise travelers. Must-do experiences include exploring the Palace of Knossos and indulging in local dishes like moussaka and dakos. The best season to visit is during the spring and early fall when the weather is mild and the local festivals are in full swing.

The port that launched Athenian democracy's naval supremacy at the Battle of Salamis, Piraeus remains Greece's maritime heartbeat — and the most convenient gateway to both the Acropolis and the Aegean island chains. Dine on grilled sea bream at a Mikrolimano harbourside taverna, visit the extraordinary bronze Piraeus Apollo, and set sail for Hydra or Santorini by afternoon. Late April through June and September offer the Aegean at its most golden and uncrowded.