Unveiling the World's Top 9 Priciest Construction Projects

3. The Singe Pont

situated in England's Tatton Park. Founded in 2012; Price: $28,592* Oliver Grossetete, a French artist, created Pont de Singe, a rope bridge floating over a lake in Tatton Park, northwest England, using three enormous helium balloons. "Monkey Bridge," or Ponte de Singe, was constructed as a component of the Tatton Park Biennial Contest. That year, "flight" was the theme for entries.

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Pont de Singe ©Wikimedia.org/Herby The structure's cedar wood rope bridge is situated in the park's serene Japanese garden area. The bridge's ends trail into the water. Although Grossetete later stated that he was certain the bridge could support the weight of at least one person, visitors are not allowed to utilize it—they are not even allowed to reach it.

4. The Ponte Vecchio

Place of origin: Florence, Italy founded between 27 BC and 476 AD. includes $5 million in replacement costs. The Italian term for Pont Vecchio, or "Old Bridge," refers to this famous bridge that dates back to Roman construction. In Florence, Italy, the Arno River is crossed by the Ponte Vecchio. It clears 98 feet and spans 105 feet. Throughout the Renaissance, numerous stores were constructed alongside the Ponte Vecchio.

Ponte Vecchio, Shutterstock, and S. Borisov Originally, butchers, tanners, and farmers worked at Pont Vecchio's stores. With time, jewelers, souvenir vendors, and art merchants supplanted one another. Although the original cost of Ponte Vecchio is unknown (the bridge wasn't even mentioned in official records until 996 A.D.), its replacement and maintenance in modern times came at a cost of $5 million.