This gorgeous collection of photographic montages highlights regional similarities and differences between types and styles of door and window designs all across Europe, starting with Porto, Portugal:

The Alps:

Santa Susana, Spain:

Sesimbra, Portugal:

London, England:

Burano, Italy:

Andre Goncalves, a photographer from Lisbon, set about creating this catalog of colors and textures with his ‘Windows of the World’ series (mostly by city and region), then expanded to develop ‘Doors of the World’ as well (sorted by country):

Romania:

England:

Portugal:

Individually, a single door might not say much about a city or country, but taken together: patterns emerge, from tile work around doors to color preferences and decorative touches.

Barcelona, Spain:

Montemor-o-Novo, Portgual:

Evora, Portugal:

Venice, Italy:

Bucharest, Romania:

Lisbon, Portugal: