Casinos want patrons to shell out a lot of dough when they're visiting their gambling establishments, so owners tend spend a great deal of money on their properties. In the case of these casinos, a tremendous amount was invested: These are the five most expensive casinos in the world.
5. The Palazzo, Macau – $2.4 billion
4. Cosmopolitan, Las Vegas – $3.9 billion
3. Marina Bay Sands, Singapore – $5.5 billion

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