Cactus Paddles
They have a delightful citrus-asparagus taste – once you overcome the thorns and slime.

Cherimoyas
This odd-looking Peruvian crop is the 'best fruit on earth,' by some accounts.

Duck, Geese and Quail Eggs
What ancient Romans turned to when they grew bored with the eggs of chickens.

Purslane
This common succulent weed packs a unique nutritional punch.

Jujubes
Like tiny, tart apples, they're called 'Chinese dates,' and the trees that produce them thrive in a wide range of climates.