Boulder Bridge in the Fall III by pablo.raw on Flickr.
New York City and the George Washington Bridge by mudpig on Flickr.
untitled by Thomas Ritzerfeld on Flickr.
Trails by Jaszek PL on Flickr.
Memorial Bridge, looking from the Virginia side of the Potomac River across to the Lincoln Memorial, Washington, D.C. (LOC) by The Library of Congress on Flickr.