Portimão is a bustling fishing port and gateway to the Algarve, with a pleasant riverside promenade where the smell of sizzling sardines fills the air. The most popular attraction is Praia da Rocha just to the south, one of the Algarve’s loveliest beaches.

Bustling and modern, fizzing with industry and commerce, Casablanca is often overlooked in favour of Morocco’s better known tourist draws. But then this is part of its appeal: it’s an authentic and unvarnished city, and it’s also home to the spectacular modernist architecture of the Hassan II Mosque.

The crumbling, sun-baked seafront city of Cádiz is said to be the oldest continuously inhabited settlement in the western world, founded by the Phoenicians around 1100 BC. Although the city lacks any obvious landmarks, it’s rich in atmosphere, and plays host to one of Spain’s most colourful carnivals.

After years of neglect, Tangier is finally being restored to its former glory as a cosmopolitan crossroads between Europe and Africa. The Moroccan government has invested heavily in modern infrastructure, while the spruced up medina shines with a new-found cultural dynamism.

Málaga boasts plenty of chic restaurants and bars where you can ease into the rhythms of life in southern Spain, before exploring sights including the intriguing, unfinished Gothic cathedral, and a museum devoted to the city's most famous son, Pablo Picasso.

Cartagena was founded by Spanish conquistadors in 1533, and the beautifully preserved centre is a real highlight of Colombia’s Caribbean coast. The walled old town, the Ciudad Amurallada, is a camera-friendly collection of cobbled streets and colourful, colonial-era buildings.

From the warren-like medieval streets of the Barri Gòtic to the fantastical modernist architecture of Antoni Gaudí, from the dizzy heights of Mount Tibidabo to the golden sands of Barceloneta, there’s never a dull moment in Barcelona.

Málaga boasts plenty of chic restaurants and bars where you can ease into the rhythms of life in southern Spain, before exploring sights including the intriguing, unfinished Gothic cathedral, and a museum devoted to the city's most famous son, Pablo Picasso.

Sovereignty of ‘The Rock’ has been a thorny issue ever since Gibraltar was ceded to Britain in 1713, though on the ground it’s clear where most locals’ sympathies lie. Gibraltar is often described as ‘more British than Britain’, a curious enclave of red postboxes, double decker buses and chip shops.

Seville is a wonderful destination, a sophisticated and sun-kissed city on the banks of the Guadalquivir river. It’s a treat for all the senses, from the smell of orange blossom to the heart-tugging sounds of flamenco, and the highlight of the calendar is undoubtedly Semana Santa, when a spectacular Easter parade fills the streets.

Vigo is the biggest city in Galicia, Spain’s verdant northwest corner. The city itself is a busy fishing port with limited tourist appeal, but it’s a great base for striking out into the countryside, visiting the lovely Cíes Islands just offshore or joining the pilgrims in Santiago de Compostela, 60 miles to the north.

The Galician city of Ferrol, birthplace of General Franco, doesn’t feature on too many tourist itineraries, though maritime enthusiasts may enjoy a visit to the 18th-century shipyards. Most cruise visitors will use Ferrol as a base to explore Galicia’s wild coast, the nearby city of La Coruña or the famous pilgrimage site of Santiago de Compostela.

It’s not so long ago that Bilbao was a grim and unappealing place, scarred by heavy industry, but the Basque Country’s biggest city has reinvented itself as a cultural hub since the opening of the shimmering Guggenheim Museum in 1997.