America's do-it-yourselfers, innovators and entrepreneurs are getting the opportunity of a lifetime -- to turn their big ideas into big money. Every week four top makers from around the nation pitch their products to a panel of three experts. Which ideas will make the cut?

In the psychological game show Race to Escape, hosted by Jimmy Pardo, contestants are armed with only their minds and knowledge as they race against the clock and an opposing team to solve puzzles and unravel cryptic clues hidden inside themed escape rooms.

The Unexplained Files investigates bizarre occurrences that have confounded scientists and inspired legends. Join renowned scientists, credible experts and eyewitnesses as they present riveting never-before-seen footage and share their accounts of truly bewildering experiences.

Go inside the incredible machinery behind these everyday objects to see their extraordinary inner workings.

What’s it like to leave earth to explore the unknown? What happens when you’re in space and something goes terribly wrong? Secret Space Escapes reveals terrifying accidents, fights for survival, and stories of close calls and near misses by the astronauts who survived them.

Strip The Cosmos uses stunning CGI animation to strip planets, moons, black holes, stars and galaxies of their gas, force-fields, rock and magma layer by layer, act by act to explore their hidden secrets and solve key mysteries surrounding the origins and destiny of the universe.

A good chunk of viral videos show people who unwittingly put science to the test, often with hilarious consequences. Hosts Kevin Moore & Grant Reynolds study these crazy stunts and epic fails and attempt to recreate them with a bit of homemade science.

Close Encounters explores the countless UFO sightings reported from regions around the globe. Most sightings can be accounted for by weather patterns, flight schedules or extraordinary imagination. But a select few are still considered unsolved extraterrestrial puzzles.

Dirty Great Machines features the biggest, most awe-inspiring and technologically advanced equipment known to man. From excavators to monster maritime machines and mighty drills, witness the incredible equipment in action as they take on the world's most challenging projects.

Discover the hilarious psychology behind pranks and practical jokes. Find out what happens when people are scared into fight or flight, offered unusual VIP services, and when their person space is invaded.

See the very first close-up images of Pluto's surface and its moons, and learn more as leading experts discuss the previous planet's status as well as uncover some surprising research.

The MythBusters aim to uncover the truth behind popular myths and legends, mixing scientific method with gleeful curiosity and plain old-fashioned ingenuity to create their own signature style of explosive experimentation.

What will first contact look like? The question has perplexed scientists and sci-fi writers for more than a century. Alien Encounters lays out a plausible hypothetical scenario for a first contact event.

Outrageous Acts of Science proves that mind-boggling experiments are not just conducted in laboratories anymore. The fast-paced series scours the Web for the best amateur and professional scientists whose homegrown research has gone viral.

Science Channel honors the backyard engineers who turn pumpkins into projectiles on Punkin Chunkin.

Behind every seemingly impossible marvel of modern engineering is a cast of historic trailblazers who designed new building techniques, took risks on untested materials and revolutionized their field.