"Utopia" is a word not often associated with the city of Bangkok, which is better known for its disorderly sprawl, overburdened roads, and stifling levels of pollution. Yet as early as 1782, when the city was officially founded on the banks of the Chao Phraya river as the home of the Chakri dynasty, its orientation was based on material and rhetorical considerations that alluded to ideal times and spaces. The construction of palaces, monastic complexes,...