(Left top)Wat Phra Si Sanpetch, the vast compound of Pra Nakhorn Si Ayutthaya Historical Park.

(Right top) Bang Pa-in, the summer palace.

(Right bottom) Singha at Wat Tham-miga-rach.

Ayuthaya, a city greater than the London or Paris of its time, was the dominant power in the fertile Menam or Chao Phraya Basin. The island-city situated at the confluence of three rivers, the Chao Phraya, the Pasak, and the Lopburi, which grew in to one of Asia's most renowned metropolitises for 417 years from 1350. In 1760, the Burmese beseiged and so utterly destroyed Ayuthaya that it was never rebuilt.
There are a lot of place to visit such as Wat Phanan Choeng, Wat Buddhaisawan, St. Joeseph's Cathedral, Wat Luang, Wat Chai Wattanaram, Wat Phra Sri Sanphet, Queen Suriyothai Memorial.