The Museum of Siam is the most visitor-friendly history museum in Bangkok, housed in a European-style 19th-century building that was once the Commerce Ministry. The permanent exhibition explores the question "What does it mean to be Thai?" through interactive displays, multimedia installations, and thought-provoking historical framing — considerably more sophisticated than the typical national museum approach.
Exhibits cover the origins of the Thai people, the formation of the Thai state, cultural practices, and the country's relationship with modernity. The approach is questioning rather than simply celebratory, which makes it genuinely interesting. The rooftop cafe and the cafe in the garden are pleasant spots to rest during a day in Rattanakosin. The museum is within walking distance of Wat Pho and the Grand Palace.