TINúM, Mexico, Nov. 17 (UPI) --The Temple of Kukulcan, also known as El Castillo, is actually three structures in one -- a pyramid built on top of a pyramid built on top of a pyramid. Archaeologists ...

Climbing the temple of Kukulkán has been banned since 2008 to protect its structure and cultural significance, as per INAH's regulations. A 38-year-old German tourist caused outrage during the Spring ...

MEXICO CITY – Mexican experts have discovered that the main pyramid at Mexico's Mayan ruins of Chichen Itza was at least partially built atop a subterranean river. Experts from Mexico's National ...

Scientists have found a second pyramid hidden deep within the Kukulkan pyramid at the Mayan ruins of Chichen Itza in Mexico. Researchers announced the discovery Wednesday of a pyramid 10 meters tall ...

Eastern Mexico's Kukulkan pyramid is full of surprises. Previously, researchers discovered a pyramid inside of the pyramid, that interior one dating back to between 800 and 1000. Now yet another ...

MEXICO CITY (AP) – Archaeologists have discovered what may be the original structure built at the pyramid of Kukulkan at the Mayan ruins of Chichen Itza, experts said Wednesday. Last year, ...

Archaeologists are attempting to find out if there is more to the 1000-year-old structure than meets the eye, with a hi-tech survey of the World Heritage site. National Geographic reports the team of ...

People look at the pyramid of Chichen Itza in the southern Mexican state of Yucatan, March 21, 2012. REUTERS/Victor Ruiz Garcia A third structure within the Kukulkan pyramid in eastern Mexico has been ...