Place de la Concorde, Paris, (where hotel CrillIon stands). At the center, the grand obelisk that Napoleon brought back from his Egyptian campaign. Its twin, known as "Cleopatra's Needle" can be found in New York's Central Park.
Les Puces de Saint-Ouen, the worlds largest flea market Les Puces de Saint-Ouen, the most famous flea market in France and the worlds largest antique market, covering 7 square hectares in Paris, France. It is known to the locals as Les Puces (The Fleas).