Hákarl – Iceland
Known as the “Shark from hell”, Hakarl is shark meat dried in the wind until the skin seals the meat inside which then will undergo fermentation. The dry skin can be removed after three months and the meat is all ready to be served.
But mosquito eggs? Nice! Sweet (or however that tastes) revenge for all the blood they took from me!
Even in Florence there's a typical meal called "lampredotto": it's one of four cow's stomach boiled in water with tomatoes, celeries, carrots and served in a sandwich with green sauce ("extravergine" olive oil, caper and parsley), hot chili pepper or simply with pepper and salt.
In many other place of Italy, pork blood is used to make sweet pies.
Also in Sardinia and Rovigo (city near Venice) the people ate cats