Oregano

This herb grows wild on Mediterranean mountains.

It has an intense strong flavor that accompanies well a variety of Mediterranean dishes ranging from meats and vegetables to pizzas and dressings.Its popularity in the US grew after WWII soldiers returned and had discovered its taste from pizzas in Italy.
It is believed to be beneficial as an anti-parasitic, an anti-bacterial, and as an anti-oxidant. Some US universities are conducting studies on its oil for a possible anti-cancer treatment.