Porto

The formidable cathedral dominating central Porto is worth a visit for its ornate interior and its mixture of architectural styles. — Concierge

The place functions today purely as a municipal showplace, without stock-trading activities of any kind. — Frommer's

Inside is an astounding interior: gilded carving—added in the mid-18th century—runs up the pillars, over the altar, and across the ceiling. — Fodor's

This museum in the Carrancas Palace has permanent collections of Portuguese painting and sculpture, including, in particular, sculptures by Soares dos Reis (1847-1889). — Michelin Guide

For Porto's best panorama, climb the 250-foot-high Baroque Torre dos Clérigos. — Concierge

This 18th-century white mansion, one of several buildings in Porto attributed by some to a pupil of Nicolau Nasoni and by others to Nicolau himself, was home to the poet Guerra Junqueiro (1850–1923). — Fodor's

Once part of a Franciscan convent, this church hides an opulent interior behind its unassuming facade. — Lonely Planet

Designed by Teófilo Seyrig (who apprenticed for Gustave Eiffel), this two-tiered metal bridge leads directly to the city of Vila Nova de Gaia. — Fodor's

The first building built in Portugal which is dedicated entirely to music in various aspects; presentation of music (concerts), education of music and creation of music. — Afar Magazine

Elaborate tile work in this railway station tells the story of Portugal.  — Atlas Obscura

The museum wing of this Porto charitable foundation harbours a small but important collection of art above all Flemish works of the 16th century. — Time Out

This garden symbolises the romantic ideal of oneness with nature. — Michelin Guide

The legendary Ferreira is one of the biggest wine lodges in Porto. — Frommer's

— Frommer's

To arrange a tasting with lunch or dinner (€30) and/or stays (€90–€180) at one or more quintas (wine estates), contact the Rota do Vinho do Porto. — Fodor's

This riverfront promenade is postcard Porto, taking in the whole spectacular sweep of the city, from Ribeira's pastel houses stacked like Lego bricks to the barcos rabelos. — Lonely Planet

Not to be confused with the larger, modern port wine museum upriver in Peso da Régua, this small but worthwhile facility has informative exhibits on the history of the trade that made Porto famous. — Fodor's