Jet d'Eau Fountain Free Iconic 140m water jet on lake (free).
Lake Geneva (Lac Léman) Cruise Official Boat rides—views of Alps (€20-40).
United Nations Palace (Palais des Nations) Official Guided Tour UN headquarters—human rights hall (€18 timed).
St. Pierre Cathedral Free Calvin's church—tower climb views (€7).
Old Town (Vieille Ville) Free Stroll Cobblestone streets, Maison Tavel (free).
CERN Official Guided Tours (Free/Limited) Particle physics—Globe & Microcosm (free, book ahead).
Patek Philippe Museum Official Watchmaking history (€10).
Broken Chair Sculpture Free Anti-landmine symbol opposite UN (free).Link
Bains des Pâquis Public Baths Lake swimming, sauna—local favorite (€2 entry). Link
Carouge Neighborhood Free Bohemian "Greenwich Village"—cafes, artisans (free). Link
International Red Cross Museum Official Humanitarian history (€15).
Musée d'Art et d'Histoire Official Fine arts & archaeology (free permanent). Link