one fine afternoon, i made my way to the Saphan Taksin BTS station and went down to Sathorn pier. got a one day pass for Chaophraya tourist boat. cost bht 100, and you also a travel guidebook and you can use their boats all day. but the tourist boats only run from 9.30am till 3.00pm.
Chao Phraya Express Boat Co.,Ltd.
along the river, there are many a fancy hotel and stuff.
Shangri-la
the Peninsula
the Millennium Hilton (nice bar on top of the hotel, btw)
Holy rosary Church
Rama VIII bridge
Santa Cruz Church
Memorial Bridge