Can't hope to match Bill's beautifully crafted series, but here's a few from Cantabria.
Manet or Monet?
Acequia aqueduct
Simplicity
Bonus points for random cyclist in Potes
Potes
Potes again
Potes again, again.
Puente Viesgo, in Puente Viesgo
This one deserves an award for 'Best Use of Laminated Timber Beam' River Pas
From afar
San Vicente de la Barquera
The really long one at San Vicente
Near Santander, over the Rio Cubas, between Somo and Pedreña