The Great Wall of China is the longest wall in the world, stretching over 13,000 miles (21,000 km) in length. 1)
The Eiffel Tower in Paris, France was originally intended to be a temporary installation, but it was so popular that it was allowed to remain standing. 2)
The Taj Mahal in Agra, India was built by Mughal Emperor Shah Jahan as a mausoleum for his beloved wife Mumtaz Mahal. 3)
Stonehenge in Wiltshire, England is estimated to be over 5,000 years old, and its purpose is still a mystery. 4)
The Colosseum in Rome, Italy was used for gladiatorial contests and public spectacles such as animal hunts and mock sea battles. 5)
Machu Picchu in Peru was built by the Incas in the 15th century, and it is believed to have been a royal estate or religious site. 6)
The Pyramids of Giza in Egypt were built over 4,500 years ago and were originally covered in polished white limestone. 7)
The Statue of Liberty in New York Harbor was gifted to the United States by France in 1886 as a symbol of friendship. 8)
The Acropolis in Athens, Greece is home to several ancient buildings, including the famous Parthenon temple. 9)
The Christ the Redeemer statue in Rio de Janeiro, Brazil stands 98 feet (30 meters) tall and weighs over 600 tons. 10)
The Tower of London in England has served as a royal palace, a prison, and an armory over the centuries. 11)
The Angkor Wat temple complex in Cambodia was built in the early 12th century and is the largest religious monument in the world. 12)
The Golden Gate Bridge in San Francisco, California spans over 1.7 miles (2.7 km) across the Golden Gate Strait. 13)
The Hagia Sophia in Istanbul, Turkey has served as a church, a mosque, and a museum over the centuries. 14)
The Sydney Opera House in Australia was designed by Danish architect Jørn Utzon and took over 14 years to complete. 15)