Let’s dive into the world of giants — from the deep sea to dry land — and get to know the planet’s most colossal creatures.

Nearby Taum Sauk Mountain State Park boasts Missouri’s highest point and a spectacular waterfall, while Mark Twain National Forest offers extensive hiking trails through beautiful Ozark scenery.

Even under today's climatic conditions, the long-extinct straight-tusked elephant could still live in Europe. This is the ...