The massive Borobudur Buddhist temple.
Borobudur was built around 800 AD and, with over 1000 carvings depicting Buddhist thought, served as a 60,000 cubic meter stone guide to Buddhism for visiting pilgrims. The temple rises above the Javanese jungle in nine levels. The first six levels contain carved stone panels depicting the cause and effect of abusing sense pleasures; the top three levels represent achieving nirvana through conquering abuse of sense pleasures.
Read the related story from Day 114 or other stories about Indonesia.