Imagine a river starting in the hills, flowing across states, looping, and touching the Tropic of Cancer line twice. The ...

How imaginary lines shape our maps, climates, and time zones ...

There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...

From Mexico's beautiful Pacific coast to the coral paradise of the Bahamas, this first leg of Simon Reeve's epic circumnavigation of the globe is a spectacular journey revealing much about life on the ...