Geneva in 3 days

Five hundred litres a second thrown 140 metres high; once a safety valve, it moved to the quays in 1891 because people liked it.

A concrete jetty where everyone swims in the lake from May to September, with sauna and hammam in winter and a cheap canteen.

A Gothic cathedral stripped bare by the Reformation in 1535, above an archaeological site covering fifteen centuries, from a Roman villa to 5th-century mosaics.

A grid of streets where each archway opens onto a courtyard of wisteria and fig trees, with potters, violin makers, vintage shops and chocolatiers.

A near-vertical ride up the cliff to a grassy plateau with a restaurant, picnic tables and paragliders launching from the edge.

The UN's European headquarters in a park of peacocks and cedars; the tour includes Miquel Barceló's ceiling in the Human Rights room.

A century and a half of humanitarian work; the most moving exhibit is the index of First World War prisoners, seven million handwritten cards.

Renzo Piano's building, opened in 2023, with a real section of the LHC and a cloud chamber that shows cosmic rays crossing the room.