#1. The Great Wall of China has total site visitors of 24,200,000 and total revenues of US$2.88 billion (S$3.77 billion), according to Global Heritage's recently released "Saving Our Vanishing Heritage" report. [Photo: A Chinese couple kiss as they visit the Great Wall of China August 20, 2008.]
#2. Mausoleum of the First Qin Emperor has total site visitors of 18,000,000 and total revenues of US$1.92 billlion (S$2.5 billion) [Photo: A tourist walks in Beijing's 600-year-old Forbidden City, June 30, 2004. The Forbidden City, also known as the Imperial Palace or Palace Museum, situated in central Beijing, was the power centre of the Ming (1368-1644) and Qing (1644-1911) dynasties from 1420 to 1912
#3. Historic Cairo has total site visitors of 4,000,000 and total revenues of US$576 million (S$752 million). [Photo: Foreign tourists ride camels at the Pyramids in Cairo February 12, 2009.]
#4. Ephesus has total site visitors of 3,500,000 and total revenues of US$572 million (S$747 million). [Photo: People walk in the ancient Ephesus ruins near Turkey's western coastal city of Izmir September 11, 2009.]
#5. Amritsar has total site visitors of 5,500,000 and total revenues of US$460 million (S$601m) [Photo: The holy Sikh shrine of Golden Temple is illuminated on the 343rd birth anniversary of Guru Gobind Singh in the northern Indian city of Amritsar January 5, 2009. ]
#6. Angkor has total site visitors of 2,500,000 and total revenues of US$436 million (S$569m).
#7. Teotihuacan has total site visitors of 4,200,000 and total revenues of US$432 million (S$564m). [Photo: Hot air balloons float past people watching the sunrise at the Sun pyramids of Teotihuacan outside Mexico City during a festival as part of the spring equinox March 21, 2010.]
#8. Machu Picchu has total site visitors of 2,400,000 and total revenues of US$384 million (S$501m).
#9. Abu Simbel has total site visitors of 2,000,000 and total revenues of US$320 million (S$418m). [Photo: Tourists look at the 3200-year-old Abu Simbel temple during a daily sound and light show, on the eve of the anniversary of pharaoh king Ramses II's coronation, at the upper reaches of the Nile, around 1264 km (785 miles) south of Cairo February 21, 2010.]
#10. Ancient Thebes has total site visitors of 2,000,000 and total revenues of US$320 million (S$418m). [Photo: A visitor walks past a statue of the head of Ramses II, king of Egypt between 1304 and 1237 B.C., at the ancient Egyptian capital of Thebes November 3, 2007.]
#11. Taj Mahal has total site visitors of 2,400,000 and total revenues of US$288 million (S$376m). [Photo: Muslims offer Eid al-Fitr prayers in front of the Taj Mahal in the northern Indian city of Agra September 11, 2010.]
#12. Petra has total site visitors of 1,600,000 and total revenues of US$268 million (S$350m). [Photo: Tourists walk past the Lion Fountain in the ancient city of Petra, Jordan, April 7, 2008.]
#13. Old Havana and its Fortifications has total site visitors of 1,773,986 and total revenues of US$262 million (S$342m). [Photo: A taxi waits for customers at Cuba's Capitol in Havana May 27, 2009.]
#14. The pre-Hispanic city of Chichen-Itza has total site visitors of 2,600,000 and total revenues of US$248 million (S$324m). [Photo: A woman raises her arms to receive energy from the sun at the Mayan pyramid El Castillo (The Castle), in Chichen Itza, in the southern state of Yucatan, Mexico March 21, 2009.]
#15. The city of Cuzco has total site visitors of 1,000,000 and total revenues of US$168 million (S$219m). [Photo: Andean men cross the Qeswachaka hanging bridge across the Apurimac river, at the southern province of Canas in Cuzco, Peru, June 12, 2010. ]
#16. The ancient city of Damascus has total site visitors of 1,000,000 and total revenues of US$168 million (S$219m). [Photo: British painter Sophie Walbeoffe paints the skyline of Old Damascus from the Beit al-Mamlouka hotel, Syria, November 1, 2007.]
