Topless, unobstructed--the convertible completely transforms the driving experience and unlike any other car, sets the driver free. During this face-paced hour, experts highlight the history of the world's most dynamic car design and the essential quality that makes it so unique. From the very first convertible design in 1915 to modern-day marvels of retractable hardtops, we peer under the hoods to see why the convertible remains the car that everybody wants, but only a few are bold enough to own.

Pop open the hood, check out the carbs, and hear the engines roar as we journey back to a time when gas was cheap, emission controls non-existent, and all that mattered was acceleration and speed. During the 1960s and '70s, GM, Ford, and Chrysler competed to create high performance cars at prices teenage baby boomers could afford. Featuring interviews with John DeLorean, creator of the Pontiac GTO, and his marketing partner Jim Wangers, we go behind the scenes of the muscle car wars.

For this countdown special, we're buckling up and punching it--as we raid the Modern Marvels archives for the hottest rides we've ever presented. From the retro to the rugged to the reckless, our top ten picks showcase our love affair with vehicles that blow back our hair or quicken our pulses. Our only limitation: they've got to stay earthbound--so no sea or aircraft. Other than that, anything goes...from one of Jay Leno's vintage autos to a sleek battery-driven roadster to a motorcycle you've got to see to believe. Our number 1 choice: a ride so hot that one passionate owner applied for a license to marry it.

Buckle up as we take a rip-roaring ride through the world of extreme horsepower! From 8,000 horsepower dragsters and hydroplanes with top speeds of 200 miles per hour, to a cargo ship propelled by the most powerful diesel engine on earth - a whopping 95,000 horsepower - Modern Marvels muscles through the most impressive engines ever built and how they achieve their incredible performance.

America would come to a standstill without trucks. Trucks transport a staggering 70 percent of all the nation's goods. Explore the amazingly diverse world of American trucks and the colorful men and women who drive them. Join country superstar Brad Paisley and his crew of truckers on the road between Little Rock and Tulsa--racing the clock to be on time for Brad's next concert. In Dearborn, Michigan, climb aboard one of the most popular pickups--the Ford F-150--as it tackles a devilish test course. And in Virginia, see how fast the world's most nimble tow truck can extract a car from the tightest parking spot imaginable. Meet a Mack truck fanatic and his cool collection of vintage models, and ride-along with an unsung hero with a truly dirty job--operating a truck designed to empty and clean portable toilets.

For 25 years, construction crews dug, blasted, tunneled, and bridged their way up America's West Coast along the California, Oregon, and Washington shoreline to build the Pacific Coast Highway. Historians, road and bridge engineers, and experts relate this story of perseverance, primal machines, convict labor, and engineering brilliance as we tour its scenic route. And we look at the latest technologies used to keeping it running despite floods, earthquakes, tsunamis, and landslides.

Millions of drivers travel the world's superhighways each year. See a multi-billion dollar expansion project in Houston, Texas where a stretch of superhighway is being widened to 20 lanes. Take a ride atop the High-Five, a 12-story, five-level interchange that's become the latest Dallas tourist attraction. Then it's off to China's 28,000-mile National Trunk Highway System. Discover how a single distracted driver can cause a major traffic jam. Finally, play a cutting-edge video game that's training emergency personnel how to unclog a clogged superhighway.

One of the six simple machines and perhaps the most important invention in the history of mankind, the wheel has been essential in all aspects of life.

Topless, unobstructed--the convertible completely transforms the driving experience and unlike any other car, sets the driver free. During this face-paced hour, experts highlight the history of the world's most dynamic car design and the essential quality that makes it so unique. From the very first convertible design in 1915 to modern-day marvels of retractable hardtops, we peer under the hoods to see why the convertible remains the car that everybody wants, but only a few are bold enough to own.

Pop open the hood, check out the carbs, and hear the engines roar as we journey back to a time when gas was cheap, emission controls non-existent, and all that mattered was acceleration and speed. During the 1960s and '70s, GM, Ford, and Chrysler competed to create high performance cars at prices teenage baby boomers could afford. Featuring interviews with John DeLorean, creator of the Pontiac GTO, and his marketing partner Jim Wangers, we go behind the scenes of the muscle car wars.

For this countdown special, we're buckling up and punching it--as we raid the Modern Marvels archives for the hottest rides we've ever presented. From the retro to the rugged to the reckless, our top ten picks showcase our love affair with vehicles that blow back our hair or quicken our pulses. Our only limitation: they've got to stay earthbound--so no sea or aircraft. Other than that, anything goes...from one of Jay Leno's vintage autos to a sleek battery-driven roadster to a motorcycle you've got to see to believe. Our number 1 choice: a ride so hot that one passionate owner applied for a license to marry it.

Buckle up as we take a rip-roaring ride through the world of extreme horsepower! From 8,000 horsepower dragsters and hydroplanes with top speeds of 200 miles per hour, to a cargo ship propelled by the most powerful diesel engine on earth - a whopping 95,000 horsepower - Modern Marvels muscles through the most impressive engines ever built and how they achieve their incredible performance.

America would come to a standstill without trucks. Trucks transport a staggering 70 percent of all the nation's goods. Explore the amazingly diverse world of American trucks and the colorful men and women who drive them. Join country superstar Brad Paisley and his crew of truckers on the road between Little Rock and Tulsa--racing the clock to be on time for Brad's next concert. In Dearborn, Michigan, climb aboard one of the most popular pickups--the Ford F-150--as it tackles a devilish test course. And in Virginia, see how fast the world's most nimble tow truck can extract a car from the tightest parking spot imaginable. Meet a Mack truck fanatic and his cool collection of vintage models, and ride-along with an unsung hero with a truly dirty job--operating a truck designed to empty and clean portable toilets.

For 25 years, construction crews dug, blasted, tunneled, and bridged their way up America's West Coast along the California, Oregon, and Washington shoreline to build the Pacific Coast Highway. Historians, road and bridge engineers, and experts relate this story of perseverance, primal machines, convict labor, and engineering brilliance as we tour its scenic route. And we look at the latest technologies used to keeping it running despite floods, earthquakes, tsunamis, and landslides.

Millions of drivers travel the world's superhighways each year. See a multi-billion dollar expansion project in Houston, Texas where a stretch of superhighway is being widened to 20 lanes. Take a ride atop the High-Five, a 12-story, five-level interchange that's become the latest Dallas tourist attraction. Then it's off to China's 28,000-mile National Trunk Highway System. Discover how a single distracted driver can cause a major traffic jam. Finally, play a cutting-edge video game that's training emergency personnel how to unclog a clogged superhighway.

One of the six simple machines and perhaps the most important invention in the history of mankind, the wheel has been essential in all aspects of life.

Topless, unobstructed--the convertible completely transforms the driving experience and unlike any other car, sets the driver free. During this face-paced hour, experts highlight the history of the world's most dynamic car design and the essential quality that makes it so unique. From the very first convertible design in 1915 to modern-day marvels of retractable hardtops, we peer under the hoods to see why the convertible remains the car that everybody wants, but only a few are bold enough to own.

Pop open the hood, check out the carbs, and hear the engines roar as we journey back to a time when gas was cheap, emission controls non-existent, and all that mattered was acceleration and speed. During the 1960s and '70s, GM, Ford, and Chrysler competed to create high performance cars at prices teenage baby boomers could afford. Featuring interviews with John DeLorean, creator of the Pontiac GTO, and his marketing partner Jim Wangers, we go behind the scenes of the muscle car wars.

For this countdown special, we're buckling up and punching it--as we raid the Modern Marvels archives for the hottest rides we've ever presented. From the retro to the rugged to the reckless, our top ten picks showcase our love affair with vehicles that blow back our hair or quicken our pulses. Our only limitation: they've got to stay earthbound--so no sea or aircraft. Other than that, anything goes...from one of Jay Leno's vintage autos to a sleek battery-driven roadster to a motorcycle you've got to see to believe. Our number 1 choice: a ride so hot that one passionate owner applied for a license to marry it.

Buckle up as we take a rip-roaring ride through the world of extreme horsepower! From 8,000 horsepower dragsters and hydroplanes with top speeds of 200 miles per hour, to a cargo ship propelled by the most powerful diesel engine on earth - a whopping 95,000 horsepower - Modern Marvels muscles through the most impressive engines ever built and how they achieve their incredible performance.

America would come to a standstill without trucks. Trucks transport a staggering 70 percent of all the nation's goods. Explore the amazingly diverse world of American trucks and the colorful men and women who drive them. Join country superstar Brad Paisley and his crew of truckers on the road between Little Rock and Tulsa--racing the clock to be on time for Brad's next concert. In Dearborn, Michigan, climb aboard one of the most popular pickups--the Ford F-150--as it tackles a devilish test course. And in Virginia, see how fast the world's most nimble tow truck can extract a car from the tightest parking spot imaginable. Meet a Mack truck fanatic and his cool collection of vintage models, and ride-along with an unsung hero with a truly dirty job--operating a truck designed to empty and clean portable toilets.

For 25 years, construction crews dug, blasted, tunneled, and bridged their way up America's West Coast along the California, Oregon, and Washington shoreline to build the Pacific Coast Highway. Historians, road and bridge engineers, and experts relate this story of perseverance, primal machines, convict labor, and engineering brilliance as we tour its scenic route. And we look at the latest technologies used to keeping it running despite floods, earthquakes, tsunamis, and landslides.

Millions of drivers travel the world's superhighways each year. See a multi-billion dollar expansion project in Houston, Texas where a stretch of superhighway is being widened to 20 lanes. Take a ride atop the High-Five, a 12-story, five-level interchange that's become the latest Dallas tourist attraction. Then it's off to China's 28,000-mile National Trunk Highway System. Discover how a single distracted driver can cause a major traffic jam. Finally, play a cutting-edge video game that's training emergency personnel how to unclog a clogged superhighway.

One of the six simple machines and perhaps the most important invention in the history of mankind, the wheel has been essential in all aspects of life.