El Osario — Attraction in Yucatán

A smaller, and an older version of the Castillo pyramid. Notable for beautiful stairway balustrades in the shape of intertwining serpents. This large pyramid is located between el Castillo and the Caracol observatory. No tourist accesses is available but according to the guide there is a temple on top with access to a subterranean cavern where human remains were found, hence its name -...

it is one of the most complex and important buildings in the site. It has the peculiarity of being built on top of a cave, the same as the Castle. In the temple upper floor, a vertical shaft was built. It ends in the source rock at 10 m depth, from where another cave derives. Bone remains, ceramic objects and seashell were...

The Osario itself, like the Temple of Kukulkan, is a step-pyramid temple dominating its platform, only on a smaller scale. Like its larger neighbor, it has four sides with staircases on each side. There is a temple on top, but unlike Kukulkan, at the center is an opening into the pyramid that leads to a natural cave 12...