Arrive early (around 9am) when the square is quiet. Walk the arcades and peek into the Basque government buildings tucked off the plaza. Grab a coffee at one of the corner cafeterias before crowds build.

Skip the main tourist arteries and wander the narrow lanes around Calle de la Torre and Calle del Perro. Look for the medieval archways at the top of Calle Tenderia and the small artisan shops selling local cheeses and Txakoli bottles.

Head to Calle Larraskitu or the quieter edge of Calle Barrenkale where pintxos bars cater to locals, not tourists. Look for bars displaying fresh seafood pintxos and ask for a glass of Txakoli (crisp local white wine) to pair.

Walk across the white pedestrian bridge designed by Santiago Calatrava, then descend the stairs on the Ensanche side for a photo looking back at the Casco Viejo skyline.

Enter through the main Atrium and explore the quirky interior architecture including the vertical garden and the pond columns in the basement. The roof terrace offers a quiet panorama of the city and is usually empty.

Cross the river to Calle Cortes or Calle Olano in Bilbao La Vieja, the edgy multicultural neighborhood. Look for a bar playing Basque music or hosting an impromptu pintxos counter , prices here are half of what you pay in the old town.

Arrive right when it opens at 10am to avoid queues. Focus on the permanent collection halls on the upper floors and walk around the exterior to see Jeff Koons' Puppy and the titanium cladding up close.

Head to the upper floor of the market where smaller stalls serve hot pintxos and raciones. Grab a seat at a zinc bar and try the bacalao croquettes or grilled txistorra sausage.

This museum is quieter than the Guggenheim and holds an impressive collection of Basque and Spanish masters. Look for the El Greco and Sorolla rooms and the leafy garden courtyard behind the main building.

Take the Funicular de Artxanda from the stop near the river in Castaños. At the top walk toward the mirador for panoramic views over the city and surrounding mountains.

Stroll along the riverbank from the Ayuntamiento bridge toward the Zubizuri footbridge. Cross over to the Abando side and stop at a kiosko for a kalimotxo by the water.

Take Bizkaibus A3518 from Bilbao's Termibus to Bakio (45 min), then hike 30 min down to the hermitage causeway. Check the tide schedule online before going; the chapel closes if waves are too high. Arrive by 9am to beat tour bus crowds.

Enter from the Gran Vía side near the duck pond and walk toward the shaded rose garden. This is Bilbao's oldest public park and locals read or nap on the benches by the ornamental fountain. Grab a coffee at the small kiosk near the southern gate.

Climb the steep ramp from the end of Calle Pelota to reach this hilltop park with views over the old town and river. Few tourists come here; locals walk dogs and share bottles of Txakoli on the grassy slope. Look for the iron sculpture Artxanda by Jorge Oteiza near the viewpoint.

Located in the Casco Viejo on the Plaza de Santiago, this Gothic cathedral has a hidden 14th-century cloister accessible through the side door. Entry is free after 5pm on weekdays. Check the carved scallop shells on the facade marking it as a stop on the Camino de Santiago.

A modest 17th-century church with a beautiful Baroque altarpiece and local religious art. Visit early to see locals stopping in for prayer on their way to work.

The old town square lined with traditional porticoed buildings and a central fountain. Grab a bench and watch the town's everyday rhythm unfold.

A covered market where residents shop for fresh produce, cheese, and cured meats. Walk the stalls and pick up jamón ibérico and local cheese for a DIY lunch.

A sprawling natural park with ancient oak trees and quiet walking trails just outside the town center. Bring a book and find a bench under the holm oaks.

Take the Cercanías C4 train from San Sebastián de los Reyes station directly to Madrid Chamartín. Trains run every 10-15 minutes and the ride takes about 25 minutes.

Search for a traditional vermutería on Calle del Pez or Calle Velarde and order a Vermut de Grifo served with olives. These bars have tiled walls, wooden barrels, and a locals-only feel well past tourist hours.

Wander the narrow lanes between Calle Huertas and Calle Atocha looking for tucked away plazas like Plaza de Santa Ana and the courtyard at Calle Cervantes 17. Spot the literary quotes embedded in the cobblestones marking where Cervantes and Lope de Vega once lived.

Find a local bar near Plaza de Santa Ana and order churros with thick hot chocolate or a tortilla de patatas bocadillo (omelette sandwich) alongside café con leche. The bar staff will happily serve this well past noon for late risers.

This medieval square off Calle Mayor holds three distinct architectural eras: the Mudéjar style Torre de los Lujanes, the Baroque Casa de la Villa, and the Renaissance Casa de Cisneros. Arrive around 2pm when weekday foot traffic is lowest.

Take the Teleférico cable car from Paseo del Pintor Rosales over the Manzanares River for sweeping views before walking the wooded park trails. Stick to the pathways near Lago de Casa de Campo for a relaxed stroll among local joggers and dog walkers.

Skip the tourist tablaos on Calle Mayor and head to a smaller venue in Lavapiés or Calle Amor de Dios where local artists perform. Book tickets in advance for a genuine duende filled evening with a drink included.

Explore the former slaughterhouse turned contemporary art center in Legazpi. Check the schedule for rotating exhibitions, and walk through the Central de Diseño and the film archive. Arrive by 10am to avoid crowds.

Head to Mercado de San Fernando on Calle de Embajadores, a local market with small food stalls and a lively multicultural vibe. Grab a seat at a communal table and order a beer and some tapas.

A hidden 18th-century romantic garden near Alameda de Osuna, requiring advance weekend booking. Walk through the labyrinth, find the bunker ruins from the Spanish Civil War, and see the grand palace facade. Book your free ticket online days ahead.

Walk up to the Templo de Debod at sunset for skyline views over the Royal Palace and Casa de Campo. Arrive 45 minutes before sunset for the best light; the park bench area west of the temple has fewer people.

Search for a speakeasy-style bar on Calle del Pez or Calle de la Palma. Look for unmarked doors or small signs; order a Kalimotxo (red wine and cola) or a local craft beer and enjoy the indie music scene.

Head to the Plaza de Cascorro end and wander down the side streets for vintage finds and local artisans. Arrive before 11am to beat the crowds and check the stalls near Calle de la Ribera de Curtidores for antiques.

Walk toward Calle de la Espada and Calle de la Puebla to find tiny independent bookshops tucked in old buildings. Look for galleries showing local emerging artists around the Lavapiés border rather than the main art district.

Search for a traditional tavern on Calle de las Huertas that serves vermut de grifo from the barrel and small plates. Look for a spot with a chalkboard menu and locals standing at the bar rather than tourists at tables.

Find one of the old literary cafes near Calle de Alcalá such as Café Gijón or a quieter alternative on Calle de la Reina. Order a café con leche and sit for an hour with a book or notebook like the writers who once gathered there.

Walk from Plaza de España up to the temple for sunset views over the Casa de Campo. Arrive 45 minutes before sunset to secure a spot on the west side of the pond without the main crowd.