Lighthouses, windmills, bridges, etc

I differentiate these structures from castles, cathedrals, skyscapers etc mainly because lighthouses, windmills, bridges, etc are all basically utility structures (also a question of size).

Click on “Lighthouses, windmills, bridges, etc” on the left to view all my postcards in this category.
or
Click on any items below

 
Bridges
(15) Erasmus Bridge of Rotterdam
(16) De Hef - an iconic bridge in Rotterdam
(17) Tokyo Gate Bridge
(18) The Alsea Bay Bridge near Waldport, Oregon

Lighthouses