Spending a billion dollars to construct a building is no longer the exception. There are many multi-billion-dollar buildings ...

While many expensive things have useful, revenue-generating purposes, some of the world’s most expensive objects ... shaped diamonds ranging from 11 to 15 carats each, all with flawless clarity.

Most tourist attractions are money pits by definition. But some are worse offenders than others -- especially when not worth ...

The most expensive schools in the world are known for shaping individuals who make positive marks in the world. Every parent ...

"The problem is there are just so many elements to the cost of these things," Jason Barr ... scales at well over $1 billion. Here are 15 of the most expensive. The Bellagio, Las Vegas: $1.6 ...