The two sail-inspired towers that reach vertically more than 240 meters are joined by three giant wind turbines in the middle to generate approximately 13% of the towers' total energy needs.
In addition to showing its deep pockets, this emphatically sci-fi building speaks volumes about Bahrain's environmental consciousness.
Bahrain World Trade Center, Manama, Bahrain; +973 1713 3666
Two International Finance Center (2IFC), Hong Kong
Height: 415 meters
Cost to build: $2.5 billion
Completion date: August 2008
Fast fact: In "Lara Croft Tomb Raider: The Cradle of Life," Lara Croft leaps off the building. In "The Dark Knight," Batman leaps from 2IFC to IFC.
Two International Financial Center is the definitive point of Hong Kong's skyline and a symbol of its wealth.
Located in the center of Hong Kong's financial district, the shimmering 415-meter obelisk fits every criterion of a financial powerhouse.
The IFC was designed by César Pelli, the Argentine-American architect responsible for the Petronas Twin Towers and the World Financial Centre, among others.
It houses some of the world's largest financial institutes -- it's located on 8 Finance Street and has 88 floors -- the number eight is an auspicious digit in Hong Kong.
The building is topped with a crown that some liken to a beard trimmer.
IFC Hong Kong, 8 Finance St., Hong Kong
Burj al Arab, Dubai, United Arab Emirates
Height: 321 meters
Cost to build: $650 million
Completion date: December 1999
Fast fact: The hotel isn't, nor does it claim to be, a seven-star hotel.
That was a famous designation dreamed up by a creative journalist when touring the property.
Influenced by the shape of the dhow, the Burj al Arab isn't just a popular computer monitor wallpaper; it has also established itself as the distinctive icon of extravagance in Dubai.
Sitting on a man-made island, the "sailboat" has a private beach and a private curving bridge that connects it to the rest of the city.
On the 24-meter-wide helipad, 300 meters above ground, Tiger Woods has teed off and Roger Federer and Andre Agassi once played a tennis match.
Burj al Arab, Jumeirah, Dubai, United Arab Emirates; +971 4 301 7777
Taipei 101, Taipei, Taiwan