1. Cock's Comb (or Cockscombs)

This 'dish' made of the crest or the red fleshy skin on a rooster’s head is relished in Italy and France.
2. Surströmming

Surströmming or rotten fish is a dish where fish are marinated in brine and tinned. This sour herring is a traditional northern Swedish dish. The smell can be pretty off-putting so head to to your backyard before opening a can.
3. Dragon in the Flame of Desire

Dragon in the Flame of Desire is a steamed or fried yak penis on a plate. The Guolizhuang Restaurant in Beijing continues to take many orders for the same.
4. Drunken Shrimp

More like 'stunned' shrimp since that's what the process of marinating shrimp in a strong liquor (baijiu) before consuming it, is called. This one's another popular dish in China.