Questions that outlived the people who raised them.

If you sealed your life story in an ancient jar, hid it with a chest of gold, and someone paid $48,000 for it six years ago — would you want to know why they never cracked the wax?

What do you find when you open a grave that belonged to a man who never stopped walking?

If a man dripping in diamonds dies owning only razors, combs, and a pair of sunglasses, where did the diamonds go?

If the world's greatest mystery writer vanished for eleven days and registered at a hotel under her husband's mistress's name, what exactly was she solving?

The FBI sent the fastest plane ever built to find him, and it was defeated by clouds.

He never let anyone watch him work.

He kept his route secret so no rival could reach the city first. More than a hundred people have since died trying to find him.

The French army once used a man who could swallow live puppies whole as a courier, hiding documents in his stomach.