For a day in Lisbon, a great plan is to explore key historic neighborhoods, iconic viewpoints, and landmarks, combined with sampling local treats:

• Start in the Belém district visiting the Jerónimos Monastery and Belém Tower, symbols of Portugal’s Age of Discovery. Try the famous pastéis de nata (custard tarts) at Pastéis de Belém.
• Head to the city center to explore Praça do Comércio, Rossio Square (Praça Dom Pedro IV), and stroll through the Baixa and Chiado neighborhoods.
• Visit the Castelo de São Jorge for panoramic views of Lisbon and wander around the Alfama district, known for its narrow, maze-like streets and traditional charm.
• Stop at viewpoints like Miradouro de Santa Luzia or Miradouro da Graça to enjoy dramatic city and river views.
• Experience a ride on the iconic tram 28 or the Bica Funicular for historic Lisbon vibes.
• For a sunset or evening, Bairro Alto offers vibrant bars, Fado music, and dinner options with a local atmosphere.

This itinerary balances sightseeing with local experiences and iconic landmarks, providing a full day of Lisbon’s top highlights and authentic cultural moments.