<P> The Temple of the Tables is the northernmost of a series of buildings to the east of El Castillo . Its name comes from a series of altars at the top of the structure that are supported by small carved figures of men with upraised arms, called "atlantes ." </P> <P> The Steam Bath is a unique building with three parts: a waiting gallery, a water bath, and a steam chamber that operated by means of heated stones . </P> <P> Sacbe Number One is a causeway that leads to the Cenote Sagrado, is the largest and most elaborate at Chichen Itza . This "white road" is 270 metres (890 ft) long with an average width of 9 metres (30 ft). It begins at a low wall a few metres from the Platform of Venus . According to archaeologists there once was an extensive building with columns at the beginning of the road . </P> <P> The Yucatán Peninsula is a limestone plain, with no rivers or streams . The region is pockmarked with natural sinkholes, called cenotes, which expose the water table to the surface . One of the most impressive of these is the Cenote Sagrado, which is 60 metres (200 ft) in diameter and surrounded by sheer cliffs that drop to the water table some 27 metres (89 ft) below . </P>

What is inside the mayan pyramid of chichen itza