Day 1: Arrival and Exploring the Historic Center

• Welcome to Lisbon! Start your day by checking into your accommodation and freshening up.
• Head to the historic center of Lisbon, known as Baixa, and take a leisurely stroll through its charming streets.
• Visit the iconic Praça do Comércio, a beautiful square facing the Tagus River. Take some time to admire the stunning architecture and enjoy the views.
• Explore the nearby Alfama neighborhood, known for its narrow streets, colorful houses, and Fado music. Don't miss the opportunity to visit the São Jorge Castle, offering panoramic views of the city.
• In the evening, indulge in a traditional Portuguese dinner at a local restaurant, where you can savor delicious dishes like bacalhau (salted codfish) or grilled sardines.

Day 2: Cultural Immersion and Belém

• Start your day with a visit to the Belém district, home to some of Lisbon's most famous landmarks. Don't miss the stunning Belém Tower and the Jerónimos Monastery, both UNESCO World Heritage sites.
• Take a break and enjoy a pastel de nata, a delicious Portuguese custard tart, at the famous Pastéis de Belém bakery.
• Visit the MAAT (Museum of Art, Architecture, and Technology) to explore contemporary art exhibitions and enjoy the beautiful riverside views.
• In the evening, head to Bairro Alto, a vibrant neighborhood known for its lively nightlife. Enjoy a drink at one of the many bars or try some traditional Portuguese petiscos (tapas) at a local tasca.

Day 3: Day Trip to Sintra

• Today, venture outside of Lisbon and take a day trip to the enchanting town of Sintra, located just a short train ride away.
• Explore the fairytale-like Pena Palace, perched on a hilltop and surrounded by lush gardens. The colorful architecture and panoramic views make it a must-visit.
• Visit the Quinta da Regaleira, a mystical estate with beautiful gardens, underground tunnels, and a romantic palace.
• Don't miss the opportunity to try travesseiros, a traditional pastry filled with almond cream, at the famous Piriquita bakery.
• Return to Lisbon in the evening and enjoy a relaxing dinner at a local restaurant, perhaps trying some Portuguese seafood specialties.

Day 4: Modern Lisbon and Oceanfront

• Start your day by visiting the LX Factory, a creative hub located in a former industrial complex. Explore the trendy shops, art galleries, and enjoy a coffee at one of the hip cafes.
• Head to the nearby Village Underground, a unique space made of shipping containers and double-decker buses, hosting various cultural events and exhibitions.
• Take a tram ride to the neighborhood of Belém once again and enjoy a leisurely walk along the riverfront promenade.
• Visit the LX Market, a popular flea market held on Sundays, where you can find vintage items, local crafts, and delicious street food.
• In the evening, treat yourselves to a romantic dinner at a restaurant overlooking the Tagus River, enjoying the beautiful sunset and the city lights.

Remember, this itinerary is just a suggestion, and you can always customize it based on your preferences and interests. Lisbon has so much to offer, from its rich history and culture to its vibrant nightlife and delicious cuisine. Enjoy your trip!