Although Biel is the capital of the watch industry, it's (almost) impossible to visit a watch factory. But there is an alternative: the Omega Museum opposite the factory.
The Rietberg Museum in Zurich is the only art museum for non-European cultures in Switzerland and boasts an internationally renowned collection of works from Asia, Africa, America and Oceania.
Since 1951 the former grammar school at the city park houses around 600 pictures and drawings by Swiss, German and Austrian artists. We owe this to the Winterthur art patron Oskar Reinhart.