EuroGraphics La Havana, Cuba 1000-Piece Puzzle. Havana is Cubas capital city. Spanish colonial architecture in its 16th-century Old Havana core includes the Castillo de la Real Fuerza, a fort and maritime museum. The National Capitol Building is an iconic 1920s landmark. Also in Old Havana is the baroque Catedral de San Cristbal and Plaza Vieja, whose buildings reflect the citys vibrant architectural mix. EUROGRAPHICS puzzles are both fun and educational. Puzzle pieces are made from 1.75mm blueboard, and are 100% recyclable, and printed with vegetable-based inks.