2,430 metres (8,000 ft) above sea level on a mountain ridge above the Urubamba Valley in Peru stand the ruins of Machu Picchu, a pre-Columbian Inca site rediscovered in 1911 by archaeologist Hiram Bingham.
Listed in the UNESCO World Heritage in 1987, The Great Wall of China is a fortification built and rebuilt between the 5Th century BC and the 16Th century.
If you have the chance to visit Rome, don't miss out on this impressive construction, one of the most recognizable Roman landmarks.