Museums are optional. Europe still has plenty to offer. The cities below are not the ones with the worst museums. They are the ones where the main experience happens outside: in the streets, on the water, in the markets, in the food, in the architecture you walk through rather than stand in front of. You could spend a week in any of these places and never step inside a ticketed attraction.

The Cities

Lisbon

Lisbon's best experiences are structural. The tram 28 route through the Alfama is a travel experience in itself. The miradouros (hilltop viewpoints) scattered across the city are free, accessible, and frequently spectacular. The Mouraria neighbourhood, the Ribeira market, the pastéis de nata from a bakery in Belém: the city delivers constantly at street level. The food culture is excellent and affordable. Walking the tiled streets in Alfama or Mouraria on a weekday morning, with no particular destination, is one of the better things you can do in Europe. None of it requires a ticket.

Best for: travelers who want a beautiful, food-forward city where the main activity is wandering and eating well.

Istanbul

Istanbul's most compelling experiences are almost entirely non-museum. The Grand Bazaar (free entry, operational since 1461). The Spice Bazaar. The ferry from Eminönü across the Bosphorus to the Asian side. A glass of çay at a teahouse in Karaköy. A fish sandwich from a boat moored by Galata Bridge. The call to prayer at dusk across the city. Walking the steep streets of Balat and Fener, past Byzantine church walls and Ottoman wooden houses. Istanbul has extraordinary museums (Topkapı, the Hagia Sophia, the Archaeology Museum), but the city works perfectly without them.

Best for: travelers who want total sensory immersion in a city that is fascinating at every scale, from a cup of tea upward.

San Sebastián

San Sebastián is the city for anyone whose primary travel motivation is eating. The pintxos bars of the Parte Vieja (Old Town) are the destination: small pieces of bread topped with exceptional local produce, consumed standing at the bar, washed down with txakoli (local sparkling white wine). The city does this more intensely and more deliciously than anywhere else in Europe. The surrounding bay (La Concha) is one of the most beautiful city beaches in the world. There are museums, and they are fine. Nobody goes to San Sebastián for museums.

Best for: travelers whose entire trip budget is mentally allocated to food before the hotel is booked.

Porto

Porto rewards walking more than most cities in Europe. The Ribeira waterfront, the steep climb up to the Miradouro da Serra do Pilar across the Dom Luís bridge, the tile-covered facades of the Bonfim neighbourhood, the Livraria Lello (a bookshop so beautiful it charges admission). The city has a tactile, physical quality: you earn the views with your legs, and they pay out well. The wine lodges in Vila Nova de Gaia are more experience than museum. The food culture at street level (pastel de nata, francesinha, bifanas) is strong. Porto is a city of sensory accumulation rather than institutional tick-boxes.

Best for: travelers who want a beautiful city to walk hard in, eat well in, and feel satisfied without a single audio guide.

Copenhagen

Copenhagen has made everyday life exceptional in a way that makes museum-going feel beside the point. The food culture (from smørrebrød lunch spots to the world's best restaurant ecosystem) is the point. The cycling infrastructure is so good that a bike ride along the harbour is itself a worthwhile morning. The Nørrebro and Vesterbro neighbourhoods have some of the best independent coffee, food, and design shops in Europe. The harbour baths are free. Christiana (the semi-autonomous neighbourhood in Christianshavn) is one of the more genuinely strange and interesting urban environments anywhere. Copenhagen rewards curiosity rather than itinerary-following.

Best for: travelers who want to eat very well, move around a beautiful city by bike, and experience a genuinely distinctive urban culture.