A shekara ta 1894, United States Consul to Yucatán, Edward Herbert Thompson, ya sayi Hacienda Chichén, wanda ya hada da rushewar Chichen Itza. Shekaru 30, Thompson ya binciki tsohuwar birni. Abubuwan da ya gano sun hada da farkon dated carving a kan wani lintel a cikin Haikali na farko da kuma tono kaburbura da dama a cikin Osario (Haikalin Babban Firist). Thompson ya fi shahara don haƙa Cenote Sagrado (Sacred Cenote) daga 1904 zuwa 1910, inda ya dawo da kayan tarihi na zinariya, jan karfe da sassaƙaƙƙun jade, da kuma misalan farko na abin da ya kamata ya zama Maya na pre-Columbian da kuma kayan ado na katako. Thompson ya aika da mafi yawan kayan tarihi zuwa gidan kayan gargajiya na Peabody a Jami'ar Harvard.
Ƙungiyar Chichen Itza