Triangles are everywhere!!! ....on the roof pitches, shadows on buidling front, and also in the swingset. This schoolhouse is part of a historical homestead in Colorado.
It's part of a catamaran.
This is an old bridge in east Tennessee (they are going to tear it down and build a new one) I tried counting triangles but gave up.
Multiple triangles in an indoor house. How many triangles can you count?
In a big shopping center.
Interesting arched walkway in Prague.