Sorry to rush into this, but Venice is fairly self-explanatory...not off the beaten track by any means, but one of my favorite places.  This was my third visit and Sachi's first, so I tried to play guide as best I could.  here are the photos... 

Yup, that's UPS - and DHL has boats too...

Most people agree that Venice, Italy is sinking, but it's only about a few millimeters a year.  The real problem is that the water is rising more and more each year. We were surprised to arrive and find that a great deal of the city was inaccessible due to floodwaters.

This short video is not our smoothest effort, but does show you what was happening...

This article has more info.