Bang Pa-In Palace is ancient palace back to Ayutthaya era. The Royal Palace at Bang Pa-In has a history dating back to the 17 th century. The palace is divide into 2 zone one is inner zone that for royal family to use as a resting place the other zone is outer zone that open for normal people and tourist. The architecture and art style of this palace is truly a masterpiece there are carving art on every wall the main chamber floor is Jay tile with art paint on each tile also surrounding area decorate by Chinese furniture and decoration.

It is one of the oldest and most significant temples in the history of Ayutthaya as it housed the Buddha's holy relic. The temple is located in the area of the Ayutthaya Historical Park. where important royal ceremonies of the Ayutthaya era were held.

Built in 1630 by King Prasat Thong to honor his mother, Wat Chai Wattanaram was conceived as a replica of the Angkor temple. The architectural style influenced by Angkor temple in Cambodia-its unique feature is a large, central prang (Khmer-style pagoda) surrounded by smaller prangs.

The Temple is not only a significant historical site, but also considered as the spiritual centre of Thais for a long time. Wat Phra Sri Sanphet is the royal monastery and therefore no monk is allowed to reside. At the heart of the temple, there are three adjacent Ceylonese (or bell-shaped) pagodas situated on rectangular platforms. It is believed that these platforms were the base of royal houses in the Ayutthaya period.

Phra Mongkhon Bophit is one of the largest bronze Buddha images in Thailand with its measures of (approx) 9.5 meters across the lap and a height of 12.5 meters (without the pedestal). The Buddha image is seated in the position of Subduing Mara. Wat Mongkhon Bophit is an 'active' temple compound, and throughout the day many people visit and worship the Buddha image.