Garden at Sainte-Adresse by Claude Monet
My two favourite painters are Caspar David Friedrich (Romantic period) and the surreal painter René Magritte. Friedrich's pictures have a unique dreamy, deep and somewhat melancholy quality to them, but there is always hope in all the turmoil. Magritte's paintings are just inspiring, aiming to stretch your horizon. Well, here we go
Oh my, Caspar Friedrich's The Sea of Ice is one of my favorite paintings!
From around that period, Turner's not too bad:
And when it comes to the twentieth century, I love Nicolas de Stael: