Long before banks, ATMS and check-cashing services, there were pawn shops. Pawning was the leading form of consumer credit in the United States until the 1950s, and pawn shops are still helping everyday people make ends meet. Pawn Stars takes you inside the colorful world of the pawn business. At the Gold & Silver Pawn Shop on the outskirts of Las Vegas, three generations of the Harrison family - grandfather Richard, son Rick and grandson Corey - jointly run the family business, and there's clashing and camaraderie every step of the way. The three men use their sharp eyes and skills to assess the value of items from the commonplace to the truly historic, including a 16th-century samurai sword, a Super Bowl ring, a Picasso painting and a 17th-century stay of execution. It's up to them to determine what's real and what's fake, as they reveal the often surprising answer to the questions on everyone's mind, "What's the story behind it?" and "What's it worth?"

Following the antics of two brothers-in-law as they run the largest aquarium manufacturing company in the nation, Tanked dunks viewers into the high-decibel, family-owned business of Acrylic Tank Manufacturing (ATM). Led by business partners, best friends and rivals Wayde King and Brett Raymer and housed in a state-of-the-art, cavernous facility located in the center of Sin City, ATM has created thousands of enormous, conceptual aquariums for high-profile clients. Working with opinionated and outrageous family and staff, the duo takes on jaw-dropping aquarium builds from such intricate and interesting locations as inside restaurants, casinos, bank, hotels, churches, offices, mansions, museums and zoos. Their tanks are for celebrities and ordinary Joes, and their aquariums and their business are filled with the most unusual and larger-than-life creatures in the world.

Hosted by legendary comedian and "Tonight Show" host Jay Leno, the series explores our obsession with all things automotive. From classic cars to supercars and everything in-between, Jay is hitting the road to discover the most exciting, weird and wonderful vehicles ever made and meet the passionate people behind their wheels. Each one-hour themed episode features a mix of stunts, challenges, reviews, and celebrity interviews that showcases the colorful history of the automobile. Whether he's exploring the story of an iconic brand, road-testing the newest super car, or investigating the latest automotive innovations, there is no wheel Jay won't get behind to tell the story of our love affair with the car.

Hardcore Pawn takes viewers behind the scenes of the immense American Jewelry & Loan, a family business owned by third-generation pawnbroker Les Gold. Working with Les are his son, Seth, who is being groomed to eventually take over the store, and daughter, Ashley, who thinks Seth isn't ready for the top job.

What on Earth? is a documentary series using satellite images of strange geological occurrences and man-made structures on Earth to examine such matters as the planet's extreme locations, phenomena and species.

The world's most popular motoring show comes to MotorTrend. Based on the original motoring series by the BBC, this version pays homage to the legacy of the Top Gear brand with a few original ideas from the minds at MotorTrend.

Take an in-depth look at the lives and crimes of some of the World's Most Evil Killers including Jeffrey Dahmer, Richard Ramirez, Cary Stayner, Leonard Lake, Dorothea Puente and more.