Chichén-Itzá has been chosen one of the new 7 wonders of the world on 07-07-'07. The contest was organized by Swiss-Canadian Bernard Weber. He started the project in september 1999 because the old 7 wonders of the world did not exist anymore, except for the Great Pyramids of Giza. They were destroyed by earthquakes, fires or other causes. Another reason was that the old wonders were all located in the old world, around the Mediterranean Sea.

The new 7 wonders of the modern world are: Christ the Redeemer, Rio de Janeiro; the Colosseum, Rome; the Great Wall of China; Machu Picchu, Peru; Petra, Jordan; Taj Mahal, India; Chichén-Itzá, Mexico. Last but not least: number 8 are the Great Pyramids of Giza in Egypt, automatically added to the list of new wonders because it is the only still existing old wonder.
For more information, see the New Wonders of the World official website