Visit Casa Batlló

Gaudi’s hillside park of mosaic dragons, twisted stone colonnades and a serpentine bench overlooking Barcelona.

Visit Barcelona, capital of Catalonia in Spain. See the Sagrada Familia (Antoni Gaudí's unfinished basilica with intricate facades and towering spires), stroll down La Rambla (tree-lined pedestrian street with street performers and La Boqueria market), explore Park Güel (Gaudí's whimsical public park with mosaic-covered structures and city views), and admire the Gothic Quarter (medieval streets with the Barcelona Cathedral and Roman ruins).

A whole town of trulli — conical drystone houses found nowhere else, white and strange in the Puglian sun

Visit the Sagrada Família, Antoni Gaudí's unfinished basilica in Barcelona. Marvel at its intricate facades (Nativity, Passion, Glory) and the towering interior inspired by nature. Construction began in 1882 and is expected to be completed by 2026.

Experience Frank Gehry's titanium masterpiece

Moorish palace-fortress of Granada.

Visit Cologne Cathedral, a masterpiece of High Gothic architecture and a UNESCO World Heritage site. Construction began in 1248 and took over 600 years to complete. It is the tallest twin-spired church in the world, standing at 157 meters, and houses the Shrine of the Three Kings, a reliquary said to contain the bones of the Biblical Magi.

Visit Seville, capital of Andalusia in southern Spain. Explore the Real Alcázar (a UNESCO-listed Moorish palace with intricate tilework and gardens), climb the Giralda tower (former minaret of the Seville Cathedral, offering panoramic city views), stroll through the Barrio Santa Cruz (historic Jewish quarter with narrow streets and orange trees), and see a flamenco show at a traditional tablao.