The world’s most expensive substances command their prices for very different reasons. Some, like rare gemstones, are ...

This Is Mike from List25 and here is 25 Rarest Things You'll Probably Never See. WATCH OUR OTHER VIDEOS: ►25 Of The Rarest ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

Suspicious shapes in packages of a traveler coming from Angola led officials to rare items. Screengrab from the Thailand Department of National Parks, Wildlife and Plant Conservation’s Facebook post ...