Start off your trip with the famous Prado Museum, which is home to some of the world's most magnificent artworks. This museum holds more than 30,000 pieces, including priceless pieces by Goya, El Greco, and Velázquez.
Head to Barcelona to experience Gaudi's architectural wonders: Park Güell and La Sagrada Familia. Immerse yourself in the eccentric and unique style of this renowned Spanish architect which will leave you awe-struck by his designs.
The Gothic Quarter is a must-visit for anyone in Barcelona, as it has been preserved throughout the years, keeping its historic charm. After you're done exploring the area, head to La Boqueria Market, which is just a few steps away. Here, you can taste local food and drinks and experience the atmosphere of a traditional market.
Start your day at the Royal Palace of Madrid, a magnificent building that once served as the residence of the Spanish Royal Family. Then, head over to the Retiro Park to relax amidst stunning gardens, fountains, sculptures, and architecture.
Today, explore Casa Batlló and Casa Milà both designed by Antoni Gaudi. These stunning residences exemplify Gaudi's unique design style and are recognized as UNESCO World Heritage sites.
Wrap up your trip by browsing through El Rastro, one of the world's largest open-air markets, and grab a few souvenirs to take back home. Then make your way to the Montserrat Monastery, situated in Catalonia's mountains and offers a breathtaking view of its surroundings.
If you have more time, spend a day at the beach and visit Sitges, located just outside Barcelona. If you have less time, you can skip out on the El Rastro Market or Montserrat Monastery.