1. Abraj Al Bait
Construction cost: $15 billion
Location: Mecca
Owner/Investor: Saudi Arabian Government
The most expensive building in the world is Abraj Al Bait. Designed in an effort to modernize Mecca and to better serve its pilgrims, the tallest tower of the complex stands at 1,972 feet high. Abraj Al Bait features the world’s largest clock (141 feet in diameter), a shopping mall and a 5 star hotel.
