Faro in 3 days: Cidade Velha Old Town (Roman walls + Moorish reinforcement + 1249 Portuguese Reconquista — Arco da Vila gate 1812 by Italian architect Cavallini), Cathedral bell tower (360° Ria Formosa panorama — €3.50), Ria Formosa boat tour (60km lagoon — 5 barrier islands — 20,000 flamingos — most diverse Portuguese coastal wetland), cataplana seafood dinner (Moorish copper clam-shell cooking vessel — most Algarve-characteristic single dish), Benagil Cave day trip (50m dome sea cave with circular skylight — most Instagram-famous European sea cave), Ponta da Piedade Lagos (most dramatically golden-arch-sea-cliff single Algarve promontory), Silves red sandstone Moorish castle (former capital of al-Gharb — most impressive single Algarve castle — €3), Tavira (Roman bridge + Moorish castle + most authentic eastern Algarve townscape), Ilha de Tavira ferry beach (most pristine barrier island beach — €2–4 ferry), Castro Marim border castle + salt marsh flamingos, piri-piri chicken farewell dinner + ginjinha digestif.