Phra Pathom Chedi in the town of Nakhon Pathom in the province of the same name is the highest stupa in the world. It’s total height is 127 m.
Phra Pathom Chedi was built on the ruins of older temples that date back up to the 4th century A.D. In its present form it was built by order from King Mongkut and finished in 1870. It’s construction took 17 years.