Mark at travelfish takes a quick look at the most common words found in geographical names in Thailand, like the word Chiang found for several northern Thai provinces and districts.
Richard Barrow visited Nakhon Phanom recently and posted a photo of the former residence of the province governor. This historic building now houses a local museum, photos of the interior are found in Richards Facebook gallery. If I'd ever make it to this remote northeastern province, this museum will be on the list of places I have to visit.
Bangkok Library has posted two sets [1,2] of Bangkok district maps taken from documents of the BMA - see for example this map of Taling Chan showing the peculiar shape of Khlong Chakphra subdistrict (แขวงคลองชักพระ), covering just a narrow strip of land along the canal. The maps are however a bit outdated, the latest subdistricts aren't included, e.g. at Don Mueang.