1 Acropolis, Athens, Greece

2 Alhambra, Granada, Spain

3 Angkor Wat temple, Cambodia

4 Chichen Itza Aztec site, Yucatan, Mexico

5 Christ the Redeemer, Rio de Janeiro, Brazil

6 Colosseum, Rome

7 Easter Island Statues, Chile

8 Eiffel Tower, Paris

9 Great Wall, China

10 Hagia Sophia church, Istanbul, Turkey

11 Kyomizu Temple, Kyoto, Japan

12 Kremlin/St.Basil's, Moscow

13 Machu Picchu, Peru

14 Neuschwanstein Castle, Fussen, Germany

15 Petra ancient city, Jordan

16 Pyramids of Giza, Egypt

17 Statue of Liberty, New York

18 Stonehenge, Amesbury, United Kingdom

19 Sydney Opera House, Australia

20 Taj Mahal, Agra, India

21 Timbuktu city, Mali