Atamasthana

1. Jaya Sri Maha Bodhi 

Jaya Sri Maha Bodhi is a Sacred  tree in Anuradhapura, Sri Lanka.It is said to be a sapling from the historical Bodhi tree under which Buddha became enlightened. It was planted in 288 BC and is said to be the southern branch of the Sri Maha Bodhi Bodhgaya India, also the oldest living human-planted tree in the world with a known planting date. The sacred tree brought by the  Sangamitta, the sister of Arahath Mahinda who introduced Buddha's teachings into Sri Lanka. The sacred bodhi tree is the oldest historically authenticated tree in the world, for it has been tended by an uninterrupted succession of guardians for over 2000 years, even during the periods of Indian occupation.

The Uda Maluwa, 35 feet by 55 feet, is 35 feet above the ground. The wall was constructed during the reign of King Kirthi Sri Rajasingha, to protect it from wild elephants. I think all  Lankan Buddhist peoples of State usually have sought the blessings of the Sri Maha Bodhi before commencing any important work.

 2. Ruwanwelisaya

Ruwanwelisaya  was built by king dutugamunu. considered a marvel for its architectural qualities and sacred to many Buddhists all over the world. who became lord of all Sri Lanka after a war in which the Chola King Elara, was defeated. It is also known as Mahathupa, Swarnamali Chaitya, Suvarnamali Mahaceti and Rathnamali Dagaba. Also King Dutugemunu didn’t live to see its completion of dageba but his final sight as he lay on his deathbed could be a false bamboo-and-cloth finish was placed around the dageba to show his ‘completed’ masterpiece. A limestone statue south of the great dageba is popularly thought to be of King Dutugemunu.

3. Thuparamaya

Thuparamaya is in Anuradhapura, Sri Lanka. It is a Buddhist sacred place of veneration. Thera Mahinda, an envoy sent by King Ashoka himself introduced Theravada Buddhism and also chetiya worship to Sri Lanka. At his request King Devanampiyatissa built Thuparamaya in which was enshrined the collarbone of the Buddha. It is considered to be the first dagaba built in Sri Lanka following the introduction of Buddhism. This is considered the earliest monument, the construction of which was chronicled Sri Lanka. The name Thuparamaya comes from "stupa" and "aramaya" which is a residential complex for monks. Thuparama dageba is the oldest dageba in Sri Lanka – indeed, probably the oldest visible dageba in the world. It was constructed by Devanampiya Tissa in the 3rd century BC and is said to contain the right collarbone of the Buddha.

4. Lovamahapaya

Lovamahapaya is a building situated between Ruvanveliseya and Sri Mahabodiya in the ancient city of Anuradhapura, Sri Lanka. It is  the roof was covered  bronze tiles.It was originally built by King Dutugemunu more than 2000 years ago, but throughout the ages it was rebuilt many times, each time a little less grandiosely. There are remains of 1600 columns all that is left of this huge palace, archaeological evidence said to have had nine storeys and could accommodate around 1000 monks and attendants.The current stand of pillars is all that remains from the last rebuild  that of King Parakramabahu around the 12th century.

5. Abhayagiri Dagaba 

The Abhayagiri Dagaba is situated in Anuradhapura, Sri Lanka. It was built during the reign of King Wattagamini Abhaya . It is one of the most extensive ruins in the world and one of the most sacred Buddhist pilgrimage cities. Historically it was a great monastic centre as well as a royal capital, with magnificent monasteries rising to many stories, roofed with gilt bronze or tiles of burnt clay glazed in brilliant colors. To the north of the city, encircled by great walls and containing elaborate bathing ponds, carved balustrades and moonstones, stood "Abhayagiri", one of seventeen such religious units in Anuradhapura. The 1st or 2nd century BC built Abhayagiri dageba was the centerpiece of a monastery of 5000 monks. The name means ‘Hill of Protection’ or ‘Fearless Hill’, another claim ‘Giri’ was the name of a local Jain monk.

6. Jetavanaramaya.

The Jetavanaramaya is a stupa, located in the ruins of Jetavana Monastery in the sacred world heritage city of Anuradhapura, Sri Lanka. King Mahasena initiated the construction of the stupa following the destruction of Mahavihara, his son Meghavanna resume the construction work of the stupa. A part of a sash or belt tied by the Buddha is believed to be the relic that is enshrined here.The archaeologists believe it may have the original height over 100m, but today is about 70m, and also this was a similar height to the Abhayagiri as well. When it was built, it was the third-tallest monument in the world, the first two being Egyptian pyramids. 

7. Mirisaveti Stupa

The Mirisaveti Stupa is situated in the ancient city of Anuradhapura, Sri Lanka.King Dutugamunu built the Mirisaveti Stupa after defeating King Elara. After placing the Buddha relics in the scepter, he had gone to Tisawewa for a bath leaving the scepter. After the bath he returned to the place where the scepter was placed, and it is said that it could not be moved. The stupa was built in the place where the scepter stood. It is also said that he remembered that he partook a chilly curry without offering it to the sangha. In order to punish himself he built the Mirisavetiya Dagaba. The extent of this land is about 50 acres  Although the king Kasyapa I and Kasyapa V renovated this, from time to time it was dilapidated. 

8. Lankarama

Lankarama is a stupa built by King Valagamba, in an ancient place at Galhebakada in the ancient kingdom of Anuradhapura, Sri Lanka. Nothing is known about the ancient form of the stupa, and later this was renovated. The ruins show that there are rows of stone pillars and it is no doubt that there has been a house built encircling the stupa  to cover it. The round courtyard of the stupa seems to be 10 feet  above the ground. The diameter of the stupa is 45 feet . The courtyard is circular in shape and the diameter is 1332 feet.