Thing to do
21. Rialto Market
Venice's historic food market beside the Rialto Bridge, with a fish market under the Pescheria loggia and fruit and vegetable stalls in the surrounding squares.
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22. Ribeira Riverside Walk
A walk along Porto's medieval waterfront, from Praça da Ribeira past the old quay walls to the Dom Luís I Bridge, at the heart of the UNESCO-listed centre.
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23. Royal Galleries of Saint-Hubert
A 213-metre glass-roofed arcade opened in 1847, one of Europe's earliest covered shopping galleries, lined with chocolatiers, cafés, a theatre and a cinema.
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24. Sky Lagoon
Geothermal lagoon on the Kársnes shore just outside Reykjavik, with an infinity edge facing the Atlantic and a seven-step bathing ritual of hot, cold, sauna and steam.
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25. St. Pauli Landungsbrücken
Hamburg's floating harbour station, a listed 1900s pier complex with a tide-gauge clock tower, where harbour tours and public HADAG ferries set off along the Elbe.
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26. Széchenyi Thermal Bath
A Neo-Baroque thermal bath complex in City Park, opened in 1913, with outdoor pools fed by hot springs that stay open all year.
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27. Temple Bar
Dublin's cobbled cultural quarter between Dame Street and the Liffey, with pubs, the Irish Film Institute, galleries and weekend markets.
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28. The Real Mary King’s Close
Guided tours through a preserved 17th-century street hidden beneath the Royal Mile, led by costumed guides who tell the stories of the close's residents.
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29. Trastevere
Rome's 13th rione, across the Tiber from the centre, is a web of cobbled lanes, ancient churches and trattorias that comes alive in the evening.
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30. Uetliberg
Zurich's own 870-metre hill, reached by S10 train from the main station, with an observation tower, views over city, lake and Alps and the Planet Trail to Felsenegg.
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31. Viktualienmarkt
Munich's year-round open-air food market beside Marienplatz, on its site since 1807, with more than 100 traders, a maypole and a beer garden.
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32. Walking in Alfama
Lisbon's oldest quarter, a maze of steep lanes and stairways between the castle and the river that largely survived the 1755 earthquake.
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33. A’DAM Lookout
An observation deck on floors 20 and 21 of the A'DAM Tower in Noord, with views over the IJ and old centre and a swing over the roof edge.
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34. Blue Lagoon
Iceland's famous milky-blue geothermal spa in a lava field on the Reykjanes peninsula, a popular half-day trip from Reykjavik and close to Keflavík Airport.
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35. Brera District
Milan's old artists' quarter of cobbled lanes around the Pinacoteca di Brera, filled with galleries, design shops, cafés and restaurants.
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36. Bunkers del Carmel (Turó de la Rovira)
A Civil War anti-aircraft battery on the Turó de la Rovira hilltop, now a free history site with one of the widest panoramas over Barcelona.
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37. Camera Obscura and World of Illusions
A Victorian camera obscura and floors of hands-on optical illusions on Castlehill, topped by a rooftop terrace with panoramic views over Edinburgh.
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38. Catacombs of San Gennaro
Large early Christian catacombs beneath the Sanità district, with frescoes, mosaics and the oldest known portrait of San Gennaro, shown on guided tours.
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39. Eisbach River Surfing
A standing wave on the Eisbach at the edge of the Englischer Garten, where experienced surfers ride the current in the middle of the city all year round.
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40. El Rastro
Madrid's historic open-air flea market, held on Sunday and public holiday mornings around Plaza de Cascorro and the Ribera de Curtidores.
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