Wat Phra Chetuphon (locally known as Wat Pho) is famed for the massive ‘Reclining Buddha’ it houses. At 46 meters long and 15 meters high, Wat Pho has considerable historical significance. Covering an area of around 20 acres, and built two centuries before Bangkok became the capital, it is also the oldest. The temple was rebuilt by King Rama I when Bangkok became the country’s capital.