History is waiting to be discovered.

The details of their lives are largely unknown.

Somewhere off the coast of Colombia, a treasure worth billions lies on the ocean floor.

The Air Force base has been the subject of numerous conspiracies over the years.

Their fates remain unknown.

Does the fascinating Greek legend have any basis in reality?

A century-old mystery has been put to rest.

These explorers set out with high hopes, but were never seen alive again.

It's the birthplace of an enduring alien legend.

Over 80 years later, the pilot's mysterious disappearance remains unsolved.

Historians remain puzzled by this incident of mass hysteria.

106 years after it sank in the Antarctic, the historic ship has been located.

These events had historians stumped for years.

A long-forgotten note may hold the answer.

A veteran of the Hundred Years' War, he earned a chilling legacy later in life.

Dive into one of history's greatest mysteries. 

Two Victorian-era ships vanished in uncharted waters.

It's been shrouded in secrecy since the 14th century.

Some unexpected treasure may have pinned down the whereabouts of notorious pirate Henry Every.

What secrets lie hidden on this isolated island?

Paul Whipkey left base one day and never returned...