It seems that one of the major differences between living a place and visiting is the experience of transportation. Living in New York as long as I have, taking the subway is just a part of my day. Rarely memorable and never a goal in and of itself. But for a visitor, it is a great way to get the feel of the rhythm of the city.
In Thailand, I decided to experience every form of public transportation I could: local buses, buses between cities, trains, subways, water taxis, metered taxis, tuk-tuks and motorcycle taxis.
While riding on the back of a motorcycle and weaving through Bangkok traffic was certainly the most exciting, I highly recommend riding the Skytrain. By getting slightly above street level, it is possible to get a whole new view of the city.