Secrets of the Iberian Peninsula

Lisbon, Portugal's enchanting capital, stands out for its rich history, stunning architecture, and vibrant culture. Must-try experiences include savoring local dishes like bacalhau à brás and pastéis de nata at Mercado da Ribeira. The best time to visit is during the spring or fall, when the weather is mild and the city is alive with festivals and events.

Portimão is the Algarve's most storied port city, where Phoenician trading heritage meets golden-cliff beaches and Portugal's finest grilled sardine tradition along the Arade River. Visitors should not miss the charcoal-grilled sardines at the riverside churrasqueiras and the dramatic sandstone formations of Praia da Rocha. The port is at its luminous best from May through October, when long Atlantic days bathe the coastline in honeyed light and the August Sardine Festival electrifies the waterfront.

Cádiz, founded by Phoenician traders around 1100 BC and a strong contender for the oldest continuously inhabited city in Western Europe, juts into the Atlantic on a narrow peninsula where honey-colored ramparts frame improbable views of open ocean and the sun sets directly into the sea. The old quarter is an intoxicating labyrinth of baroque churches, hidden plazas, and carnival spirit — Cádiz's annual February carnival is the wildest and most satirically sharp in Spain — while the tapas culture here, centered on fresh Atlantic seafood cooked with Andalusian simplicity, represents Spanish cuisine at its most elemental and joyful. Visit February for carnival or spring for gentle Atlantic breezes. Seville is ninety minutes inland by bus or rail.

Valencia, Spain's luminous third city, dazzles with a creative energy anchored by two thousand years of layered civilization — Roman foundations, Moorish irrigation gardens, a Gothic cathedral housing what many believe to be the Holy Grail, and Santiago Calatrava's futuristic City of Arts and Sciences gleaming beside a park-filled riverbed. The city invented paella over an open fire of orange-wood in the surrounding huerta, and the Las Fallas festival each March — when neighborhoods compete to erect and then ceremonially burn towering satirical sculptures — is one of Europe's most spectacular celebrations. Valencia's Mediterranean climate makes it exceptional year-round.

Peñíscola on Spain's Costa del Azahar is a fairytale medieval fortress-town on a rocky headland, crowned by the 13th-century castle where the antipope Benedict XIII maintained his defiant claim to the papacy. Must-dos include climbing through the whitewashed old town to the castle summit, tasting suquet de peix fish stew and arroz a banda, and walking south along the beach toward the wild Sierra de Irta. April through October delivers warm Mediterranean conditions for combining castle exploration with beach days.

Tarragona, a historic Catalonian port city, is renowned for its Roman ruins and vibrant local life. Must-do experiences include exploring the ancient Roman amphitheater and indulging in local dishes like calçots and fideuà. The best time to visit is during the spring and early autumn, when the weather is mild and the city is alive with cultural festivities.

Menorca is a UNESCO Biosphere Reserve in Spain's Balearic Islands, distinguished from its neighbours by pristine coves, over 1,500 prehistoric monuments including the enigmatic taulas, and a culinary tradition featuring caldereta de langosta and Mahón cheese. Must-do experiences include exploring the prehistoric sites, swimming in turquoise southern coves, and hiking the Camí de Cavalls coastal path. June and September offer the best balance of warm weather and manageable crowds.

Barcelona is the city where Roman history, Gothic grandeur, and Gaudí's delirious Modernisme collide in a Mediterranean coastal capital of astonishing energy and beauty. The Sagrada Família — still under construction after 140 years — continues its audacious ascent toward completion, while the Gothic Quarter's Roman-era foundations and the Passeig de Gràcia's extraordinary concentration of Modernisme masterpieces reward days of exploration. For a complete sensory experience, lose an afternoon in the covered labyrinth of La Boqueria market before descending to the waterfront for Catalan seafood at its finest. May through June and September through October offer the most pleasant weather; the city connects directly to Paris by overnight train.