The Ancient City is dubbed as the world's largest outdoor museum. Close to the Crocodile Farm in Samut Prakan Province, the 320-hectare "city" features 116 structures of Thailand's famous monuments and architectural attractions. The grounds of Ancient Siam correspond roughly to the shape of the kingdom, with the monuments lying at their correct places geographically. Some of the buildings are life-size replicas of existing or former sites, while others are scaled down. Still others are "creative designs," and not replicas of any historical structure. The replicas were constructed with the assistance of experts from the National Museum to ensure historical accuracy.

This three-headed elephant is based on the mythological Airavata and built by a well-known antique collector, Lek Viriyapant who wished to preserve his priceless antique collection as a heritage to the next generation. Many of the artworks included the sacred objects could be dated back in the ancient time when people believed that those items would bring the blessing and prosperity to their land and so Viriyapant would like to build this museum to keep them. The final design came up to the elephant which symbolizes the country and is in the Hindu mythology as well. Besides from acting as a vehicle of God Indra, the three-headed elephant is built standing on a sphere acts like a globe, which signified that he is protecting the earth and the valuable sacred objects placed inside.After the design was done,