Bang Pa-In Summer Palace was used by Thai kings as their summer retreat in the 17th century. However, the Palace was destroyed with the fall of Kingdom of Ayutthaya and was restored by King Rama IV in the mid-19th century. The structures represent an intriguing blend between european and Thai architecture.

This temple also had a bond with King Naraesuan's reign. In 1592, when King Naraesuan conquered the war with King Uparat of Myanmar, King Naraesuan built a big chedi as the symbol of the conquest. The chedi was named "Chaimongkhon". Many Thai people called it "Chedi Yai". After that, it was combined together to "Wat Yai Chaimongkhon".

Viharn Pra Mongkolborpit is where the bronze Buddha image in the attitude of subduing Mara is situated. This Buddha image has a lap measurement at 9.55 metres and height at 12.45 metres. This is one of the biggest Buddha image in Thailand.

Wat Phra Si Sanphet was located inside the Grand Palace and served as the royal Chapel, as Wat Phra Kaeo does in Bangkok. In Ayutthaya's heyday, this was the largest temple in the city. When King Borom Trai Lokanat commanded the construction of new living quarters, this residential palace was transformed into a Temple, and the establishment of Wat Phra Si Sanphet.

Wat Mahathat, Thailand, was a royal Temple of the Ayutthaya Kingdom. It is one of the oldest and most significant temples in the history of Ayutthaya as it housed the Buddha's holy relic. Attractions in Wat Mahathat include remains of old buildings such as pagodas, octagonal pagodas, royal hall, small temples, murals under a Bodhi tree, and the famous sand-stone Ayutthaya-style head of the Buddha image in a tree's root.

Wat Chaiwattanaram is one of the most visited historical site of Ayutthaya. The Temple was ordered to built in 1630 by King Prasat Thong to honor his mother, featuring the architectural style influenced by Angkor temple in Cambodia-its unique feature is a large, central prang (Khmer-style pagoda) surrounded by smaller prangs, symbolizing Mount Sumeru, the gods' mountain according to Hindu belief. The lighting at night makes the temple even more exotic and beautiful.