Lankathilaka Image house was built by king Prarakkramabahu I .41 feet high The Buddha statue is totally made out of clay bricks and it has been used flat bricks for the statue. There are, at the entrance to the building, two massive pillars made from bricks. According to archives, this structure has had five stories.
This too is a part of the Ãlahana Privena. Inside the stupa house are two exclusively built stairways to the upper floor (see image). The width of a step is only about 4 inches and each is about one feet tall. It is built in a way that, is unfeasible to go up these staircase the usual may we are used to do. The Rankoth Veheara(Golden Pinnacle) is also another wonderful creation which can be seen in Polonnaruwa. This is amongst the largest Stupa in Sri Lanka and it is the fourth largest one.This structure was created by King Nissanka Malla and the largest stupa seen in Polonnaruwa. It seems that the King Nissanka has tried to build a similar stupa to Ruwanweli Stupa in Anuradhapura. The inscription says how the King had been giving advices to carry on the work of the Rankoth Vehera .
The Thuparama Image house has a roof completely made out of bricks, it is a rare creation in the sculpturing of Sri Lankan culture. This has been enough for survival hundreds of years making proofs for the strength of the creations of the ancient society of Sri Lanka. It is believed that this image house has been built by a minister of King Parakramabahu (1153-1186) called Mahinda to accommodate the sacred tooth relic. Also some believes that King Vijayabahu I. This has walls with thickness around 7 feet making the inside of the image house more secure and covered. There is a Buddha Statue in the middle of the image house.It is a seated Buddha statue. It is thought that the eyes of this Buddha statue was fixed with costly pebbles and the windows have been designed in such a manner the sunbeams would reproduce on these stones and glow the image house. Thiwanka Image house also an important architectural creation in Polonnaruwa.The great king Prarakramabahu I built this image house in the complex of Jethawanaraamaya. As the name implies the Statue in the Thiwanka Image house has been bent in 3 places, the artists have carved the statue like that and it’s a excellent creation in Ceylonese sculpturing. The walls and the inner surface has been created very strongly so that it has been surviving throughout the centuries.
There are some significances with this image house as the image house contains valuable paintings of Polonnaruwa era and some creations such as guard stones and the another Ceylonese art work called ‘Korawakgala’.Kumara Pokuna(Royal Pond) is situated close to the royal palace and this was created using stones.Even, there are ruins of the changing rooms making evidence of the cultural and social development which were associated with the Ceylonese society even beyond that much of time. Medirigirya (Vatadaage)Stupa House, Somavathiya Stupa are some important sites around the Polonnarwa area.