This sturdy, circular stronghold served as one of the forts that protected the Venetian Lagoon.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

The only museum with its curator—and her pets—buried inside.

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