Explanation

• Major construction under Qin Dynasty: 1878 (221 to 206 BC)
• Initial wall construction: 7th century BC
• Qin Dynasty ruler: Qin Shi Huang
• Official length (modern survey): 21,196 km
• Ming Great Wall length: 8,851 km

Last verified on 22-07-2026

Explanation

• Angkor Wat is an ancient city located in Cambodia.
• The largest religious complex in the world.
• During the reign of the Khmer king Suryavarman II as a Hindu temple
• Constructed between 1113 and 1150 CE
• Spread across over 400 acres / 1.6 km²
• Founder: Suryavarman II
• Designated: 1992 (16th session)

Last updated by NA on 16-07-2026

Explanation

List of the tallest buildings in the world.

Explanation

• Total height (with base): 125 feet
• Statue height only: 98 feet
• Pedestal height: 26 feet
• Completion year: 1931
• Location: Rio de Janeiro, Brazil

Last verified on 21-04-2026

Explanation

• The Colosseum is located in Rome, Italy.
• It is a famous ancient amphitheater built during the Roman Empire.
• Construction started in 72 AD and completed in 80 AD.
• It is the largest standing amphitheater in the world.

Last verified on 01-04-2026

Explanation

• 10 Downing Street, colloquially known as Number 10.
• It is the official residence and office of the British Prime Minister.
• It located on Downing Street in London's City of Westminster.

Additional information:

• It was constructed between 1682 and 1684 by architect Kenton Couse.
• The building, over 300 years old, boasts approximately 100 rooms.
• It was officially designated on 14 January 1970.

Last verified on 02-02-2026

Explanation

• The Taj Mahal is located in the city of Agra 
• State: Uttar Pradesh
• River: Yamuna River
• Construction Started: 1632
• Construction Completed: 1647
• Built by: Mughal Emperor Shah Jahan
• Built in Memory of: Mumtaz Mahal
• Height: Approximately 73 meters
• Architecture: Ustad Ahmad Lahori
• Material: Mainly white marble

Explanation

• A kremlin is found in historic Russian cities. 
• It includes five palaces, four cathedrals.
• It was built between the 14th and 17th centuries.
• Since the 13th century, the Kremlin was the Great Prince's residence.

Additional information:

• The complex now serves as the official residence of the Russian President.
• The name Kremlin means "fortress inside a city".

Last verified on 02-02-2026

Explanation

• Main Cultural Center: Taxila
• Location: Peshawar Valley, near present-day Islamabad, Pakistan
• Time Period: 6th century BCE – 5th century CE
• Purpose: Education, trade, and religious spread (Buddhism)
• Connected Regions: South Asia, Central Asia, Middle East

Last verified on 18-01-2026

Explanation

The Taj Mahal is located in Agra, Uttar Pradesh, India

On the west side of the Yamuna River.

ADDITIONAL INFORMATION REALTED TAJ MEHAL

The Taj Mahal, "Crown of Palaces", also "the Taj"

It is a white marble mausoleum.

It is located in Agra, Uttar Pradesh, India