Bilboa is a charming city in Northern Spain and the largest in the Basque country. Visit Guggenheim Museum, the museum of modern and contemporary art housed in an interesting metal ship-like building. Wander around Casco Viejo, the historical center of Bilbao located on the right bank of the Nervion river featuring colorful buildings, narrow streets, and quirky shops. Visit Santiago Cathedral, a 15th-century gothic Try Pintxos, the Basque version of tapas and the most popular snack in Northern Spain served in bars. Take a funicular up to Artxanda's viewpoint for spectacular views of Bilboa and the surrounding from atop Mount Artxanda. Soak in the city vibes at Plaza Nueva, the heart of old town Bilboa surrounded by elegant arches and arcades.