Mango tree in Panama
Vietnamese Green mangoes
"Witch Fingers" - grapes
Pineberries, the shape and texture of a strawberry with the flavor and smell closer to a pineapple. Discovered wild in South America and rescued from extinction by Dutch farmers.
Tangerine on branch
Standard Gooseberry 'Hinnonmäki Röd'
Kumquats. I love these little guys, and the trees can produce prolific numbers of fruit while in a small 1-5 gal pot. In temperate areas, they can be brought in as houseplants during the winter.