Wat Bowonniwet was built in 1829, this is the shrine-hall of Phra Phutthachinnasi, a beautiful Buddha image that was created around 1357. This is one of the most important temples of Bangkok, whose onetime chief abbot was King Rama IV before he ascended the throne. King Rama IV and King Rama VII, as well as HM King Bhumibol Adulyadej resided here during their monkhood. Be careful in the afternoo; you must take your shoes off, but the ground can start to cook from the heat. Wearing socks could be a good idea. Free.