Spot a Porto fado guitar
Find a Portuguese guitar (12-string round-bodied) in a music-shop window or at a fado venue. Photograph the guitar.
Spot a Porto FC scarf
Find an FC Porto (blue-and-white) scarf or shirt on someone or in a shop. Photograph the kit.
Spot a Porto laundry line
Look up in the Ribeira or Sé area and find laundry strung between two windows or balconies. Photograph the line.
Spot a Porto Metro M
Find a Porto Metro M sign at any station entrance. Photograph the sign.
Spot a Porto rabelo boat
Find a rabelo boat moored on the Douro (the flat-bottomed wooden boats that used to carry port from the Douro valley). Photograph one with port-house logos on the sails.
Spot a Porto rooster (Galo de Barcelos)
Find a ceramic Galo de Barcelos rooster in a souvenir shop, on a fridge magnet or on a tile. Photograph it.
Spot a Porto sardine festival reference
Around São João (Saint John's Day, 23 June) sardines roast on every corner. The rest of the year find a sardine tile, decorative tin or sardine-shaped souvenir. Photograph the reference.
Spot a Porto street artist or mural
Find a piece of Porto street art (the Hartlaub mural, the Bordalo II animals). Photograph the wall.
Spot a Porto street fish-grill smoke
Find a Porto restaurant with a sardine or fish grill smoking out front. Photograph the smoke.
Spot a Porto sunset over the Douro
Walk to the Jardim do Morro or the Dom Luís Bridge upper deck at sunset. Photograph the golden light on the Douro and the Ribeira facades.
Spot a Porto tram
Find a heritage Porto tram (Linha 1 along the riverside, Linha 18, Linha 22). Photograph the wooden carriage.
Spot a São Bento station azulejo panel
Walk into the São Bento train station and find the giant azulejo panels in the entrance hall (20,000 tiles). Photograph one panel of scenes.
Spot a Super Bock or Sagres beer
Find a Super Bock or Sagres beer (the two Portuguese beers) on a café table. Photograph the bottle or glass.
Spot a Vila Nova de Gaia rooftop view
Walk up the Vila Nova de Gaia side and photograph the panoramic view of Porto across the Douro with Dom Luís Bridge.
Spot an azulejo tile wall
Find a building covered in blue-and-white (or polychrome) azulejo tiles. Most of Lisbon's facades have them. Photograph the pattern.
Spot Jerónimos Monastery
Find the south facade or cloister of the Mosteiro dos Jerónimos in Belém. Photograph the lacework Manueline carvings.
Spot Livraria Lello
Find Livraria Lello bookshop (the inspiration-for-Harry-Potter staircase). Photograph the wooden facade or the famous red staircase inside.
Spot LX Factory facade
Walk to LX Factory in Alcântara, the post-industrial creative quarter under the 25 de Abril Bridge. Photograph the painted brick walls or the Ler Devagar bookshop facade.
Spot Praça do Comércio
Walk to Praça do Comércio on the riverside and find the yellow arcade buildings around the square, with the Rua Augusta arch on the north side. Photograph the arch.
Spot Saint Anthony sardines
Around the June Saint Anthony festival (Santos Populares) sardines roast on every corner. The rest of the year, find a Saint Anthony shrine, a sardine tile or a sardine-shaped souvenir. Photograph it.
Spot sardines in a tin
Find a stack of decorative sardine tins (Conserveira de Lisboa, Comur). Each tin is dated as a vintage. Photograph the colourful display.
Spot the 25 de Abril Bridge
Find a view of the red 25 de Abril Bridge across the Tagus (it looks like the Golden Gate). Photograph the towers and cables.
Spot the Belém Tower
Walk to the Torre de Belém on the Tagus and find the Manueline limestone tower. Photograph it from the riverside path.
Spot the Bolhão Market
Walk to Mercado do Bolhão and find a stall with fish, chouriço or olives. Photograph the iron-and-wood market interior.