Arrive in Italy and get some free time to visit (Vintimille or San Remo).
Following a little road in land and reach Dolceacqua amazing little medieval village from the 12th century and enjoy to get lost in this labyrinthe of narrow streets up and down in this medieval atmosphere.
Try the famous local wine called Rossese di Dolceacqua.
After, travel towards Menton where you will discover this small seaside town with its traditional south of France colors. Enjoy free time to explore the capital of the lemon.
On the way back to Nice, you will take the famous high corniche and stop at La Turbie at the foot of the Augustus Trophy to enjoy the most impressive view of Monaco & Monte-Carlo.