Look up and you never know what you might see, and that's certainly a rule to abide by when inside the Sagrada Familia in Barcelona, Spain. Here the photographer has selected an interior shot of this edifice known for its knobbly spires and sculpture work. In 1883, a year after the building began, Antoni Gaudi took over the construction of this cathedral dedicated to the Holy Family. Despite his death in 1926, work on his vision persists today.

Check out more of Gaudi's highlights in our big guide to the Catalan city

Stunning images of the world’s historic attractions in 2019