Lisbon City Center attracts visitors with its historic landmarks and top museums, and offers plenty to see and do without spending a fortune. You can budget for the popular local attractions that are highest on your list, such as Avenida da Liberdade and Rossio Square, and choose other low-cost activities to fill your itinerary. Explore and snap photos of landmarks like Campo Grande, or enjoy the outdoors at Eduardo VII Park and Miradouro de Santa Luzia.