Casa Milŕ, popularly known as La Pedrera, is a modernist building in Barcelona, Catalonia, Spain.
It was the last civil work designed by architect Antoni Gaudí, and was built from 1906 to 1912. (Wikipedia)

I cloned out a fencepost at the bottom of the left-most chimney --- there was no way to compose the
image from across the rooftop courtyard without catching some of the safety fencing around this grouping.