- history.com topics/ancient-americas/chichen-itzaWhat isn’t up for debate is that Chichen Itza was a significant center of political and economic activity in the Mayan culture by roughly 600 A.D.
- tripsavvy.com chichen-itza-visitors-guide-1588579The exact cause of the decline is unclear, but even when trade activities slowed and Chichén Itzá lost prominence, the city wasn't completely abandoned.
- travel2next.com chichen-itza-mexico/Chichen Itza was the capital of the Yucatan peninsula from 900 AD to 1050 AD. The most famous monument in Chichen Itza is El Castillo or the Temple of Kukulcan.
- The most complete guide to Chichen Itza: schedules, prices, tours, tickets, weather, meaning, history, cenotes of the Chichen Itza pyramid.
- twinkl.co.uk teaching-wiki/chichen-itzaThe name Chichen Itza means "at the mouth of the well of the Itza" . The Itza were an ethnic group of Mayans and it's believed Itza means 'water magicians'.
- nationalgeographic.com travel/world-heritage/…Reason: The brilliant ruins of Chichén Itzá evidence a dazzling ancient city that once centered the Maya empire in Central America.
- http://ancient-wisdom.com mexicochichenitza.htmMuch of the reason for the placement and construction of Chichen Itza is explained in terms of the several 'Cenote's' or 'sink-holes' in the area.
- roughguides.com mexico/the-yucatan/chichen-itza/Though in most minds Chichén Itzá represents the Maya, it is in fact the site’s divergence from Maya tradition that makes it archeologically intriguing.