The number 1 place to visit is Wat Phra Kaew or Grand Palace. The buildings date back from the 18th century when Bangkok was founded as the capital city. Grand Palace has amazing architecture, the real Thai style. There is also a small museum inside. While you there don’t miss out on the laying Buddha as it is at walking distance from the Grand Palace.
Free clothing is offered at the entrance but you will have to line up.
Opening hours: Daily 09:30-16:00 (expect for Thai holidays).
Admission: 250 Bath. (Thai people free)
Getting there: Try the river taxi stop No 9! A nice combination no traffic jam!