Some of the stuff they have in Asia can be amazing and some can be bewildering. Much of it never sees the light of day in the West.
This site has some of the interesting things to be seen in Japan and Thailand, including a downloadable video of riding in one of Thailand's famous Tuk-tuks.
Some of the more extreme (and dangerously-driven) vehicles in Japan are showcased by streetracing.org
Top 10 Drift cars shows some of the more interesting cars, many of which you can't get in the West (not without importing them).