Visitors ascend the spiral staircase at Glasgow's Lighthouse building, an iconic edifice created by Scottish architect Charles Rennie Mackintosh. Click for more great photos.

Sailboats pass each other in the Yaquina Bay during an afternoon race. Click for the full story.

Crowds watch fireworks exploding over the Yaquina Bay Bridge in Newport, Oregon on July 4, 2011. Click to see more great photos.