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Photo: Miniwark, CC BY-SA 3.0 via Wikimedia Commons
To the west, there is the Musée des Beaux-Arts, housing an excellent collection of pastels and other works by Jules Cheret, among other artists.
The Musée des Beaux-Arts de Nice in Nice, France at 33 av. des Baumettes was built in the former private mansion built in 1878 by the Russian Princess, Elizaveta Vasilievna Kochubey. Named for the artist Jules Chéret who lived and worked in Nice during his final years, the museum opened as the "Palais des Arts Jules Chéret" on 7 January 1928.
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Even if you are not in art, this is a museum which should not be missed. It includes stained glass windows by the artist.
The castle hill overlooking the Baie des Anges and harbour offers a spectacular vantage point overlooking the city. Not much is left of its ruined castle besides crumbling walls. Still, climbing up the stairs to reach the platforms 90 m above Nice is well worth the view. There is also a lift (ascenseur) which will take you three quarters of the way up. The castle hill park closes at around sunset. Expect to be escorted outside if you stay longer.
The ruins of the Gallo-Roman settlement in Cimiez, plus a museum with nice documentation on Gallo-Roman life (but mostly not in English). Activities for children. Guided tours available.
Charming collection of paintings, drawings and sculptures in 17th-century Genoese villa.
Sentier Littoral
You can follow the path around Cap de Nice half way to Villefranche, but be prepared for several hundred steps up to rejoin the road. It’s a very beautiful walk and you will find mostly local people using it.
2500 different plants in botanical garden and tropical glass house. Also various animals.