The Great Wall Of China is 6,259 kilometres long. Primarily constructed in the 7th century B.C.E., the earliest ancestors of the Great Wall of China have progressively expanded over time.
According to the Guinness Book of World Records, it is also the biggest amphitheatre on earth. It was built in the year 80 CE.
Situated about 8,000 feet above sea level, it was constructed as an Incan estate for the 15th-century emperor Pachacuti. Not many significant pre-Columbian ruins have been discovered almost entirely.
Petra, an ancient city in Jordan, is a marvel of architecture carved out of rock. Built in 312, it sits in a secluded valley surrounded by cliffs and sandstone mountains.
Agra's Taj Mahal is a mausoleum made of ivory-white marble. The Mughal emperor Shah Jahan ordered to construct it in 1632 to house the tomb of Mumtaz Mahal, his favourite wife.
Jesus Christ is depicted in this statue in Rio de Janeiro, Brazil. Constructed during the years 1922 to 1931, its height is 30 meters (98 feet).
The site of Chichen Itza represents the vanished Mayan civilisation. Rich temples and palaces were constructed here by the Mayans through the 12th century.