Science Channel HD

The skeletal remains of strange structures are clues to a mysterious research installation secretly built by the Nazis in Western Poland; experts investigate and uncover top-secret military fuel development with a catastrophic purpose.

When the Nazis took Ksiaz Castle in 1941, it wasn't for the view, and they got to work turning it into a fortress; secret staircases and elevators were built, while underneath, a vast network of tunnels was taking form.

As the Nazis embark on their dominate rise to power, a massive construction project secretly begins across Eastern Germany; using the latest tech, experts uncover an elaborate network of underground tunnels and bunkers with frightening ambitions.

As the Nazis plot the beginning of their empire, Heinrich Himmler transforms the ruins of a German castle into a mysterious Nazi complex.

The Sweet 16 round kicks off with fights featuring Tombstone, Minotaur and Lock-Jaw, as the elite bots begin the battle to become the 2018 BattleBots World Champion.

The tournament begins with an epic night of smackdowns and legendary upsets as eight world-class bots go head to head to earn a place in the final four of the BattleBots World Championship.

Championship night arrives and just four bots remain to face off in the ultimate battles to decide the 2018 BattleBots World Champion.

More everyday items are put under the microscope while discovering how sawhorses and toolboxes, sorbet pops and school buses are made.

More everyday items are put under the microscope; discovering how sanders, solid terrain models, stucco and high-speed roll up doors are made.

Pressed glass; pickup truck caps; alpaca yarn; utility knives.

More everyday items are put under the microscope to discover how life casts, downdraft cooktops, compression hosiery and electric motorcycles are made.

How traffic signal poles, coffee filters and chainsaw mining machines are made.

Time delay locks; brownies; pallet dispensers.

Bead wire; mini pepperoni; irrigation sprinklers.

Mouth-blown window glass; water pumps; sake.

How speed skates, synthetic rubber, cocoa beans and bulk chocolate are made.

Custom steering wheels; apple pie; domestic radiators; paper towels.

Whips; automated pizza makers; incense cones; scale turbine engines.

Heather gems; instant film; beet sugar; electric roadsters.

The downfall of the powerful Maya city of Palenque continues to mystify archaeologists today; now, investigators gain rare access to explore lost tombs to reveal the truth behind this legendary city and the mystery behind its enigmatic queens.

The ancient city of Abydos contains some of the oldest Egyptian tombs and a buried temple linked to a mysterious death cult; now, archaeologists use cutting-edge drone imaging to investigate long-hidden secrets behind the first pharaohs.

A colossal stone temple on a remote Egyptian island mysteriously bears the names of the most famous leaders of the ancient world; now, experts use cutting-edge tech to investigate why pharaohs and emperors all built monuments at this enigmatic site.

The clifftop ruins of Tintagel Castle are shrouded in a tumultuous history and believed to be the birthplace of King Arthur; experts use cutting-edge tech to unlock the secrets of this ancient structure and reveal the truth behind a legendary ruler.

The legendary metropolis of Xanadu and its fabled existence have mystified experts for centuries; archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome.

The sacred city of Nippur and the world's only ziggurat contain elusive mysteries to the ancient Sumerian people; now, archaeologists armed with pioneering tech are on a quest to reveal the secrets behind the earliest known civilization in history.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome.