Start your day by touring the Basilica de la Sagrada Familia. This stunning Roman Catholic church is a UNESCO World Heritage Site that was designed by famed architect Antoni Gaudi. From there, head over to the Park Guell for breathtaking panoramic views of the city. Finally, end your day by strolling down Las Ramblas and taking in the lively atmosphere of the street performers, shops, and restaurants.
Start your day by visiting the Prado Museum, which features the works of Velasquez, Goya, and El Greco. Next, head over to the Plaza Mayor to grab a bite to eat at one of the many outdoor cafes. Spend the afternoon exploring the impressive Retiro Park, which features a beautiful lake, art exhibits, and sculptures.
Start your day by admiring the breathtaking architecture of the Seville Cathedral, which is the largest Gothic cathedral in the world. Next, climb the Giralda Tower for views of the city. End your day by exploring the beautiful Plaza de Espana, which features stunning architecture, fountains, and tile work.
If you have more time in Barcelona, consider visiting the Gothic Quarter, the Picasso Museum, or the Camp Nou Stadium. In Madrid, you could also check out the Royal Palace, the Thyssen-Bornemisza Museum, or the Santiago Bernabeu Stadium. In Seville, a visit to the Alcazar of Seville and the Barrio Santa Cruz are highly recommended. If you have less time, consider skipping a location or activity that doesn't interest you as much.