The CERN particle physics research centre has a purpose built museum presenting the history of CERN, our universe and quantum science at a level accessible to all. Almost all exhibits are interactive and are presented in five languages (French, English, German, Italian and Spanish). There are also workshops for children (free, 45 mins) and guided tours (90 mins) of the premises which can only be booked on site. The reception has a souvenir shop; this is your opportunity to get yourself a CERN helmet!
The European Organization for Nuclear Research, also called European Laboratory for Particle Physics, known as CERN, is an intergovernmental organization that operates the largest particle physics laboratory in the world. Established in 1954, it is based in Meyrin, a western suburb of Geneva, on the France–Switzerland border. It comprises 25 member states. Israel, admitted in 2013, is the only full member geographically out of Europe. CERN is an official United Nations General Assembly observer.
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The Museum of the ICRC is in the basement of the headquarters and shows photos and objects related to the organisation's service to humanity during countless wars and natural disasters, and presents stories of victims. However much of the permanent exhibition is not an ordinary museum, but probably supposed to be more of an "experience", one might even call it a theme park — not really appropriate for such a serious topic. You will be given an audio guide that is activated when going through different rooms and touching screens - these are malfunctioning quite frequently. There are also educative tasks/games for the visitors to play as well as postmodern works of art. Overall, the museum is largely a rather confusing experience and given the offhand expectations you probably have, this museum will probably not be the high point of your visit to Geneva.
Occupying a big chunk of what would otherwise be the UN campus, the Ariana Museum offers a huge collection (16,000 pieces) of ceramics from around Europe and the Far East.
Built to house the League of Nations, the Palais is worth visiting just to take in the magnificent Assembly Hall, in addition to the large collection of public art, the library, and the landscaped grounds. Visits are by guided tours only. For most of the year there are two or four of them per day, in the summer months they are arranged depending on the number of visitors. Enter the complex at the Appia gate, and go through passport and security check. From there you will go to one desk to get a "visitor" badge, then downstairs to purchase the actual ticket. After this you should exit the building, go to the left and slightly downhill to Building E, enter through door E39 and wait in the lobby until the tour starts. There is a quite good souvenir shop from where you can also send post cards with UN stamps, as well as a small "cinema" showing video clips of UN's work to keep you entertained while waiting. On the tour itself you must follow the guide at all times.
Just over the river Arve from Jonction. Most of this woodsy bluff has been left in a more-or-less natural state, though there are walking trails around the edges. The trails connect eventually with a sidewalk which crosses a railroad bridge to the St. Jean neighborhood. There is also a small (free) zoo at the western edge of the woods. If you don't like to walk up the trail from the river you can take the bus up to Claire Vue.
An area with interesting shops and most importantly, a series of residential buildings called "les Schtroumpfs" (1982-1984), where the architects tried to avoid all straight lines, leading to an unconventional Gaudi-like appearance.
At the botanical garden you can see flowers, plants and trees both from the Alps and from other parts of the world. The palm house also hosts tropical vegetation. In the northern part of the park there is a zoo spread over a quite large area with birds and some Alpine mammals such as goats and deer.