Erawan Museum, Samut Prakan

Costs 400 Baht entry or 550 with a combo ticket through Klook which includes Ancient City 11 km down the road. The location basically explains this attraction. A bit out of the way and hard to find if you don't know where it is. It's basically a pretty garden with religious stuff around the site. There is also a huge statue of a multi headed elephant in the middle which can be entered. It's interesting, but probably not worth a first time Bangkok visit. Going to Ancient City makes a full day out. Note that both locations are not that near public transport and having a transport app on your phone is needed sometimes as you might not see a taxi for a while sometimes.

It's worth coming just for the huge elephant seen from as far away as center city. Honestly that (and the intricate work on the stairway to get up into the elephant) is pretty much the only thing to see. The gardens around are a pleasant enough walk with interesting statues. The site is more of a temple than a museum, so dress appropriately, although there are free clothes available for the unprepared. Walking to the entrance is not very pleasant, sure to an isolated and borderline inaccessible location, but it's doable from the BTS, or by car (probably bus too). Overall a great new experience, but at 400 baht way overpriced in comparison to main temples.

Interesting place to visit. It's a middle way between museum and temple. There is a very nice and quiet garden to walk and the craftsman of the 3-headed elephant inside is really beautiful. At entrance you will be given an audio helping machine to better understand the place cosmology. Ticket is 400 baht for foreigners but showing Thai driving license or work permit you will be given a discount at 250 baht.

One of the most beautiful temples in Bangkok! Take the spiral staircase or the elevator up and you'll find yourself inside the elephant. No photography allowed though within that area. There is also a museum/exhibition below the temple. The park around the temple has statues of mythical creatures where you can take photos with, as well as elephants that trumpet when you walk underneath them. I highly recommend visiting it!

Stunning temple. A little pricey to enter, but totally worth it. Theres so much details in the architecture and the interior decoration. I love the chamber at the top most level - it was so peaceful and calming. You have to take a lift to the top level. Don't forget to check out the basement level as well, which we weren't aware of until we left the place.