Decades before his death in 2018, Roger believed he discovered a modified Nazi U-boat loaded with a fortune in artwork, antiquities, and gold off the coast of Turks and Caicos.

No ship in history has searched the extreme depths of the Bermuda Triangle, thought to have claimed over 1,000 ships and planes, until now. The R/V Petrel, the most advanced search vessel of its kind, will try.

Harry Houdini left behind a diary that had been kept from the public, held under lock and key by a wealthy New York City Family. Now, magician and Houdini expert Bill Kalush has finally secured access to these pages.

It's a treasure coveted by everyone from Roman Emperors to Adolf Hitler--a sacred object said to hold incredible powers of healing, resurrection, and immortality. It may be the world's most sought-after relic, but what is the Holy Grail?

One of World War II's greatest unsolved mysteries: an incomparable work of art worth half a billion dollars, lost without a trace. Where is the famed Amber Room? And will a brand-new search finally reveal its true location?