Are there any strange fruits that are not well known?

YES! And this delicious fruit is very famous in the Arabian puninsula and almost every house has a tree it has many different names in my region we call it Tropical Almond It tastes very good a mix of sweet and sour I can't compare it to any other fruit because it has a unique taste.

It's scientific name is Terminalia catappa it only grows in tropical weather and it grows super high that's why it's famous in Saudi Arabia, Oman, UAE and the rest of the Arabian Gulf countries. However, it's orgin is India, very tasty underrated fruit.