This gallery is of arches ‘on the side’, not the arches themselves, but the arches reflected in some way or another.
Shadow of an arch, Taj Mahal
Reflection of an arch, Belgium.
Yellow orchids form these spectacular arches in the Singapore Botanical Garden, photographed in the middle of a torrential downpour.
Drawing of arches with arched windows reflected in the drawing (Belgium).
Delicate Arch in Arches National Park, USA.
More shadows of arches (Mexico City).
For more about this photo challenge see: http://suellewellyn2011.wordpress.com/2013/09/17/a-word-a-week-challenge-arch/