15 Most Expensive Buildings In The World

6. Cosmopolitan of Las Vegas
Owning by Blackstone Group it was opened in 15 December, 2010. It is located in Las Vegas Boulevard. Friedmutter Group played the role of architect for this great structure. It is a specially decorated building containing 2995 hotel rooms, spa center, restaurant, sea theater and most importantly land based casino. While drawing the finishing touch , it cost about $3.9 billion USD. (m.c)
Cosmopolitan of Las Vegas