Meet your guide at Saphan Taksin BTS Skytrain Station and take a public ferry upstream on the Chao Phraya River. Disembark at Wang Lang Pier and walk to your first food stop to try pig or cow blood noodle soup.
Continue to a Northeastern Thai (Issan) restaurant to try the smelly fish and perhaps a spicy bloody meat salad. Then, take a ferry across the river to Maharaj Pier and hop in a tuk-tuk to a restaurant serving pig brain balls. You may also get to try sweet and savory sausage made from liver.
Next, take a tuk-tuk to Hua Lamphong Train Station to catch a train to the Sam Saen neighborhood. At your fourth food stop, try deep-fried frog skin, frog basil leaves, and perhaps deep-fried mackerel heads.
At the last stop, have chicken feet soup and finish your bizarre food challenge with a dessert of grass jelly in syrup. The tour finishes at Saphan Kwai BTS Skytrain Station, where you can easily return to your hotel or explore other places.