Explanation

• The Pentagon is the headquarters of the United States Department of Defense (DoD).
• It is located in Arlington County, Virginia, near Washington, D.C.
• Construction started: 11 September 1941
• Completed: 15 January 1943
• It was constructed on an accelerated schedule during World War II.
• The building has 7 floors, including 2 underground levels.
• Architects: George Bergstrom and David J. Witmer.

Last verified on 04-10-2026

Explanation

• Burj Khalifa is located in Dubai, United Arab Emirates.
• Floors: 163
• It is the world’s tallest building.
• Height: 828 meters (2,717 feet)
• Construction began in 2004 
• Opened: January 4, 2010

List of the tallest buildings in the world.

Explanation

• Burj Azizi is under construction on Dubai’s Sheikh Zayed Road
• It is set to become the world’s second-tallest building
• Construction started on: 29 August 2016
• Completion Date: Expected by 2028 to 2030
• Developer: Azizi Developments.
• Former names: Entisar Tower
• Featuring 131+ floors,
• Height: 725 meters.

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Last updated by NS on 01 MAY 2026

Explanation

Burj Khalifa

• Location: Dubai, United Arab Emirates
• Significance: World’s tallest building
• Height: 830 meters (2,717 ft)
• Construction Started: 6 January 2004
• Construction Completed: 1 October 2009
• Opening Date: 4 January 2010
• Owner: Emaar Properties

Last verified on 28-01-2026

Explanation

The Hanging Gardens of Babylon are the wonder of the ancient world, traditionally situated in Iraq

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1. Great Pyramid of Giza – Egypt - Built: c. 2560 BCE  

2. Hanging Gardens of Babylon – Iraq (ancient Babylon, near present-day Hillah)  

3. Statue of Zeus at Olympia – Greece  Built: c. 435 BCE  

4. Temple of Artemis at Ephesus – Turkey  Built: c. 550 BCE, rebuilt c. 323 BCE

5. Mausoleum at Halicarnassus – Turkey  Built: c. 350 BCE  

6. Colossus of Rhodes – Greece  Built: c. 292–280 BCE  

7. Lighthouse of Alexandria (Pharos of Alexandria) – Egypt Built: c. 280 BCE