All About World Heritage Sites

Ile de la Cite and Ile Saint-Louis are two of the oldest villages in Paris brimming with treasures to explore, and Ile aux Cygnes, a little further down the river, has a gem of its own. These islands in Paris can be visited in one day or more leisurely over a few days. And as with all things Parisian, they can be returned to over and over and each time bring new, captivating discoveries.

Source: How To Spend A Day Island Hopping In Paris – TravelAwaits