A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

The plague quarantine island home to the alleged "Vampire of Venice."

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

Secret refuge and museum of the Duke of Florence.