I like this place to cool off during hot summer days. Have a short walk upriver and let yourself float down by the green and fresh water, sourcing from Lake of Zurich. If you have the guts, throw yourself down the crossing bridge.
For Didierea Trolli, Cyphostemma bainessii and other astonishing creatures from the family of the succulents, take a stroll through the six glasshouses, situated a bit outside the city center along the lakefront.