"Venice's famous Bridge of Sighs was designed by Antonio Contino and was built at the beginning of the 17th century. Spanning the Rio di Palazzo (Palace River), the bridge was intended to connect the Old Prison and interrogation rooms in the Doge's Palace to the New Prison, which was situated directly across the river.
"There are a few theories as to how the bridge got its name. The first one involves the prisoners that walked across the bridge on their way to the executioner. The prisoners would "sigh" as they crossed the bridge, probably catching their last glimpse of the outside world, many believed. Even though by the time the bridge was built summary executions at the hands of the inquisitors had ceased, many prisoners probably did cross the bridge and may have not seen freedom again... at least not for many years.
"Another story says that if a couple kisses under the bridge while drifting below on a gondola at sunset, they will enjoy eternal love. Thus, the "sighs" are said to come from lovers who are overwhelmed by the romance of the whole scene. This romantic view was created by the Poet Lord Byron with his writings: "I stood in Venice on the Bridge of Sighs, a palace and prison on each hand"." - http://www.aviewoncities.com/venice/bridgeofsighs.htm
We walked up to an hour through the streets in the evening just to hit up the Bridge of Sigh. It was pouring and freezing, and we had to beat the Acqua Alta, better known as the partial flooding of Venice. At its peak, the entire St. Mark's Square will be flooded and it would severely limit our mobility. As I was getting drenched trying to steady my shot, a couple on the gondola passed by and created a perfect burst of light streak just beneath the Bridge of Sigh.
Bridge of Sigh.