Festa del Redentore
On the third Sunday in July, crowds cross the Canale della Giudecca by means of a pontoon bridge, built every year to commemorate the doge's annual visit to Palladio's Chiesa del Santissimo Redentore, to offer thanks for the end of a 16th-century plague. The evening before, Venetians—accompanied each year by an increasing number of tourists—set up tables and chairs along the canals. As evening falls, practically the whole city takes to the streets and tables, and thousands more take to the water. Boats decorated with colored lanterns (and well provisioned with traditional Redentore meals) jockey for position to watch the grand event. Half an hour before midnight, Venice kicks off a fireworks display over the Bacino, with brilliant reflections on its waters. You'll find good viewing anywhere along the Riva degli Schiavoni; you could also try Zattere, as close to Punta Dogana as you can get, or on the Zitelle end of the Giudecca. After the fireworks, join the young folks and stay out all night, greeting the sunrise on the Lido beach, or rest up and make the procession to mass on Sunday morning. If you're on a boat, allow a couple of hours to dislodge yourself from the nautical traffic jam when the festivities break up.