The most expensive thing ever made by man kind, what would it be? The Great Pyramids, the Hoover dam, The Three Gorges Dam in China. None of these great constructions are close to the number 1.
The cost to build these great constructions today:
- Hoover dam: $700 million
- The Great Pyramid of Giza: $5 billion
- Three Gorges Dam: $27.6 billion
- The Great Wall of China : $ 71 billion
International Space Station
The International Space Station is the most expensive single item ever constructed on the planet. Space technology comes at a heavy price. In 2010 the cost was expected to be $150 billion (€ 100 billion).