1 Mysterious Structures
From a revolutionary war era ship hiding under the streets of Manhattan, to a sprawling Roman villa unearthed in the backyard of an English home, or even an ancient Grecian maze long thought to be a myth--the strange structures uncovered in this episode sometimes lead to more questions than answers.
★ 7.5 2 Hidden Treasures
We explore some of the most valuable treasures found in the most unlikely of ways. Like a priceless Ancient Roman mosaic hiding in a New York city apartment, or the most valuable piece of Americana tucked away in a $4 flea market find. You never know where the next million-dollar discovery could be uncovered.
★ 7.0 3 Chamber of Secrets
From priceless treasure found inside a lost city, to an ancient manuscript hidden behind a wall, explore mysterious secrets lost deep inside various unseen chambers, like tunnels, caves, or even burial sites.
★ 7.0 4 Military Secrets
From clandestine nuclear weapons programs to a secret Cold War bunker hidden in the mountains, or even World War 2 technology at the bottom of the sea, we explore the unlikely people, and surprising places behind the discoveries of the most top-secret information.
★ 7.0 5 Sacred Discoveries
From ancient religious texts buried in Egypt to cultural relics found at sea, or even a tower of skulls hiding under the earth, these lost artifacts change what is known about certain sacred beliefs.
★ 7.0 6 Killer Finds
From a deadly discovery hiding under one of America's most loved national parks, to a Nazi era weapon sunk off the coast of New Jersey, or even a blood thirsty predator found in Canada--you never know where a killer find is hiding or who may stumble upon it.
★ 7.0 7 Beastly Revelations
From a mythical monster that turns out to be real, to a deadly prehistoric animal, and a frozen tundra hiding a pandora's box full of lethal pathogens, these startling discoveries shock and terrify the world.
★ 7.0 8 Dark & Deadly
From a Chinese curse that turns out to be real, to human remains in a Founding Father's basement, or even a mysterious island in Central Asia with enough pathogens to kill the entire global population several times over.
★ 7.0 
