CTV Nature HD

The bluefin quota is extended, and the captains look to capitalize on the opportunity; Capt. Earl is convinced that a few more weeks will help him prove that he truly belongs; a lucky streak may catapult the Hot Tuna to the top of the leaderboard.

Pro hockey sticks; bronzed shoes; treadmills; hand-held computers.

Motorcycles; clay pipes; drumsticks; whistles.

The lobster chase moves inshore and, with it, the chaos; tangles mount, tempers flare and Steven races to escape the mess in time for his son's birthday.

Find out how handcuffs are forged, caulking and joint compound are made, propane tanks are filled and forensic facial reconstruction is done.

Fur coats; hearses; outdoor light fixtures; golf tees.

Fishing reels; miniature houses; kitchen mixers.

Examines the manufacturing processes used to create manhole covers, range hoods, artificial logs and snowmobiles.

After clearing the Manx2 Flight 7100 for landing, controllers at Ireland's Cork Airport are shocked when it goes into a severe roll, crashing into the runway.

Footballs; electric guitar amps; marbles; propellers.

Engine blocks; jawbreakers; drum shells; drums.

Lighters; fossils; hockey pucks; high-pressure cylinders.

Balloons; wallpaper; frozen French fries; incandescent light bulbs.

Looks into how various items like matches, carousel horses, fine porcelain and fuel tanks are made.

Glass cookware; soap bars; steel drums; firefighter uniforms.

First Air Flight 6560 slammed into a hillside near Resolute Bay, one of the most remote airports in the world.

The Port of Los Angeles is the biggest, busiest and most significant gateway in North America.

Extreme weather hits the Outer Banks; the Southern captains, accustomed to the dangerous conditions, believe they have a competitive edge, but the Northern captains are willing to do what it takes to put meat on deck.

Footballs; electric guitar amps; marbles; propellers.

Engine blocks; jawbreakers; drum shells; drums.

Lighters; fossils; hockey pucks; high-pressure cylinders.

Balloons; wallpaper; frozen French fries; incandescent light bulbs.

The world championship qualifiers reach their climax, with Hydra facing Uppercut and Whiplash facing Valkyrie in two ferocious final battles.

The Port of Los Angeles is the biggest, busiest and most significant gateway in North America.

First Air Flight 6560 slammed into a hillside near Resolute Bay, one of the most remote airports in the world.

Footballs; electric guitar amps; marbles; propellers.

Engine blocks; jawbreakers; drum shells; drums.

Lighters; fossils; hockey pucks; high-pressure cylinders.

Balloons; wallpaper; frozen French fries; incandescent light bulbs.

Looks into how various items like matches, carousel horses, fine porcelain and fuel tanks are made.

Glass cookware; soap bars; steel drums; firefighter uniforms.

The world championship qualifiers reach their climax, with Hydra facing Uppercut and Whiplash facing Valkyrie in two ferocious final battles.

The Port of Los Angeles is the biggest, busiest and most significant gateway in North America.

Extreme weather hits the Outer Banks; the Southern captains, accustomed to the dangerous conditions, believe they have a competitive edge, but the Northern captains are willing to do what it takes to put meat on deck.

Footballs; electric guitar amps; marbles; propellers.

Engine blocks; jawbreakers; drum shells; drums.

The world championship qualifiers reach their climax, with Hydra facing Uppercut and Whiplash facing Valkyrie in two ferocious final battles.

Looks into how various items like matches, carousel horses, fine porcelain and fuel tanks are made.

Glass cookware; soap bars; steel drums; firefighter uniforms.

First Air Flight 6560 slammed into a hillside near Resolute Bay, one of the most remote airports in the world.

Passengers on Ecuador's Tren Crucero experience a dangerous rail journey, which includes tropical jungles, volcanoes and the Devil's Nose.

Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country.

The Rocky Mountaineer travels across western Canada and over the Rocky Mountains.

Passengers are treated like royalty on Indian Railways' Maharaja's Express.

On Europe's high-speed rail network, between Barcelona and Madrid, crews work to expand the infrastructure for a new train.

Norway's Bergen Line stretches from Oslo to Bergen, passing through 182 tunnels; Nordland Line transports passengers and freight; Flam Railway boasts one of the steepest railway climbs on Earth.

Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.

The Indian Pacific is a four-day, 4,352-kilometre transcontinental journey across Australia, a trip which features the world's longest straight stretch of railway and steepest incline.

Travel aboard the colourful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers.

South Africa's most luxurious train - Rovos Rail - travel from Pretoria to Cape Town in classic cars pulled by a series of steam, diesel and electric locomotives.

Switzerland's Bernina Express is one of three railway lines on the UNESCO World Heritage list; it navigates 55 tunnels and nearly 200 viaducts and bridges.

The legend of the lost city of Atlantis is one of history's greatest mysteries, and cutting-edge technology could bring it back to life; experts use modern engineering to reveal if it's possible to build a megacity underwater.

The Empire State Building has been an icon for generations; built at breakneck speed, it towered over New York City as the world's tallest building for 40 years, and its centennial is around the corner.

From ancient cave dwellings to massive multi-winged estates, the home has never stopped evolving; now, experts mix modern materials with state-of-the-art technology to reveal if a modern home can be constructed to truly stand the test of time.

The legend of the lost city of Atlantis is one of history's greatest mysteries, and cutting-edge technology could bring it back to life; experts use modern engineering to reveal if it's possible to build a megacity underwater.

The Empire State Building has been an icon for generations; built at breakneck speed, it towered over New York City as the world's tallest building for 40 years, and its centennial is around the corner.

From ancient cave dwellings to massive multi-winged estates, the home has never stopped evolving; now, experts mix modern materials with state-of-the-art technology to reveal if a modern home can be constructed to truly stand the test of time.

Passengers on Ecuador's Tren Crucero experience a dangerous rail journey, which includes tropical jungles, volcanoes and the Devil's Nose.

Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country.

The Rocky Mountaineer travels across western Canada and over the Rocky Mountains.

Passengers are treated like royalty on Indian Railways' Maharaja's Express.

On Europe's high-speed rail network, between Barcelona and Madrid, crews work to expand the infrastructure for a new train.

Norway's Bergen Line stretches from Oslo to Bergen, passing through 182 tunnels; Nordland Line transports passengers and freight; Flam Railway boasts one of the steepest railway climbs on Earth.

Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.

Follow the manufacturing processes behind train rails, desalinated water, racing wheelchairs and parquetry flooring.

Following the manufacturing processes behind flight simulators, traditional bookbinding, greenhouse tomatoes and hurricane-proof shutters.

Worcestershire sauce; lawn bowls; radio-controlled model jets.

Pipes; rock-climbing gear; leather bike saddles; luxury sports cars.

Replica foods, traffic cone dispensers, rocking horses, London taxis.

Miniature furniture, garden steam locomotives, hovercraft, folding bicycles.

Follow the manufacturing processes behind crosscut saws, haggis and collectible firearms and more.

Alligator bags; lockers; bench planes; deployable flight recorders.

Grapples; flavorings; dog sleds; athletic shoes.

Retractable cords; wood frame sports cars; sushi.

Leather wallets; French horns; soy sauce; children's ride-on cars.

More everyday items are put under the microscope to discover how mini GP motorcycles, fig biscuits, tool boxes and pipe bends are made.

Western revolver replicas; arc trainers; used-oil furnaces; vegetable peelers; pizza cutters.

More everyday items are put under the microscope; discovering how golf clubs, waffles, custom wires and cables and train wheels are made.

Sails; walnuts; wheel immobilizers; honeycomb structural panels.

Follow the manufacturing processes behind train rails, desalinated water, racing wheelchairs and parquetry flooring.

Following the manufacturing processes behind flight simulators, traditional bookbinding, greenhouse tomatoes and hurricane-proof shutters.

Worcestershire sauce; lawn bowls; radio-controlled model jets.

Pipes; rock-climbing gear; leather bike saddles; luxury sports cars.

Replica foods, traffic cone dispensers, rocking horses, London taxis.

Miniature furniture, garden steam locomotives, hovercraft, folding bicycles.

Follow the manufacturing processes behind crosscut saws, haggis and collectible firearms and more.

Alligator bags; lockers; bench planes; deployable flight recorders.

Grapples; flavorings; dog sleds; athletic shoes.

Retractable cords; wood frame sports cars; sushi.

Leather wallets; French horns; soy sauce; children's ride-on cars.

More everyday items are put under the microscope to discover how mini GP motorcycles, fig biscuits, tool boxes and pipe bends are made.

Western revolver replicas; arc trainers; used-oil furnaces; vegetable peelers; pizza cutters.

More everyday items are put under the microscope; discovering how golf clubs, waffles, custom wires and cables and train wheels are made.

Sails; walnuts; wheel immobilizers; honeycomb structural panels.

En route to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider; the captain takes over manual control and manages to power up one engine.

Competing in a highly-modified P-51 Mustang at the Reno Air Races, Jimmy Leeward is determined to set a new speed record, but half way through the race, his plane spirals out of control and crashes onto the tarmac in front of the stands.

En route to Cardiff, Wales, the crew of KLM Cityhopper Flight 433 report an engine problem and head back to the airport; just as it is about to touch down, the aircraft crashes and breaks apart on a field next to the runway.

An American cargo plane attempts a landing at the U.S. naval station at Guantánamo Bay, Cuba; the maneuver requires avoiding Cuban airspace. But something goes terribly wrong on its final approach, and the DC-8 crashes at the end of the runway.

Experts investigate the reason behind why Fine Air Flight 101 crashed into a Miami building moments after take-off.

En route to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider; the captain takes over manual control and manages to power up one engine.

Competing in a highly-modified P-51 Mustang at the Reno Air Races, Jimmy Leeward is determined to set a new speed record, but half way through the race, his plane spirals out of control and crashes onto the tarmac in front of the stands.

En route to Cardiff, Wales, the crew of KLM Cityhopper Flight 433 report an engine problem and head back to the airport; just as it is about to touch down, the aircraft crashes and breaks apart on a field next to the runway.

An American cargo plane attempts a landing at the U.S. naval station at Guantánamo Bay, Cuba; the maneuver requires avoiding Cuban airspace. But something goes terribly wrong on its final approach, and the DC-8 crashes at the end of the runway.

What goes into the fabrication of everyday items such as crayons, wooden kayaks, lawn mowers and gold chains.

Find out what goes into manufacturing inflatable safety devices, braille typewriters and carbon fiber cellos.

A closer look at how carbon-fibre masts, roller chains, IMAX projectors and fortune cookies are made from scratch and developed into finished products.

Firefighter helmets; nautical compasses; packaging tubes; hand saws.

A closer look at how halogen bulbs, cellulose insulation, aluminum ladders and bamboo fly rods are made from scratch and developed into finished products.

Drill bits; photo booths; stamps.

Leading aviation experts are confronted with a shocking theory as they investigate one of the greatest aviation mysteries of all time.

A game-changing fish pits Capt. Zack Shackleford and his young crew on the Rasta Rocket against the fleet's veterans; Northern boat Falcon embraces a new technique to try to stay in the game, and the Reel E' Bugging kicks it into overdrive.

What goes into the fabrication of everyday items such as crayons, wooden kayaks, lawn mowers and gold chains.

Find out what goes into manufacturing inflatable safety devices, braille typewriters and carbon fiber cellos.

A closer look at how carbon-fibre masts, roller chains, IMAX projectors and fortune cookies are made from scratch and developed into finished products.

Firefighter helmets; nautical compasses; packaging tubes; hand saws.

One of the world's oldest and most phenomenal marvels is the Great Pyramid of Giza in Egypt, and using the latest engineering and innovative tech, experts reveal what it would take to construct this ancient wonder today.

A game-changing fish pits Capt. Zack Shackleford and his young crew on the Rasta Rocket against the fleet's veterans; Northern boat Falcon embraces a new technique to try to stay in the game, and the Reel E' Bugging kicks it into overdrive.

Leading aviation experts are confronted with a shocking theory as they investigate one of the greatest aviation mysteries of all time.

What goes into the fabrication of everyday items such as crayons, wooden kayaks, lawn mowers and gold chains.

Find out what goes into manufacturing inflatable safety devices, braille typewriters and carbon fiber cellos.

A closer look at how carbon-fibre masts, roller chains, IMAX projectors and fortune cookies are made from scratch and developed into finished products.

Firefighter helmets; nautical compasses; packaging tubes; hand saws.

A closer look at how halogen bulbs, cellulose insulation, aluminum ladders and bamboo fly rods are made from scratch and developed into finished products.

Drill bits; photo booths; stamps.

One of the world's oldest and most phenomenal marvels is the Great Pyramid of Giza in Egypt, and using the latest engineering and innovative tech, experts reveal what it would take to construct this ancient wonder today.

Leading aviation experts are confronted with a shocking theory as they investigate one of the greatest aviation mysteries of all time.

A game-changing fish pits Capt. Zack Shackleford and his young crew on the Rasta Rocket against the fleet's veterans; Northern boat Falcon embraces a new technique to try to stay in the game, and the Reel E' Bugging kicks it into overdrive.

What goes into the fabrication of everyday items such as crayons, wooden kayaks, lawn mowers and gold chains.

Find out what goes into manufacturing inflatable safety devices, braille typewriters and carbon fiber cellos.

One of the world's oldest and most phenomenal marvels is the Great Pyramid of Giza in Egypt, and using the latest engineering and innovative tech, experts reveal what it would take to construct this ancient wonder today.

A closer look at how carbon-fibre masts, roller chains, IMAX projectors and fortune cookies are made from scratch and developed into finished products.

Firefighter helmets; nautical compasses; packaging tubes; hand saws.

A closer look at how halogen bulbs, cellulose insulation, aluminum ladders and bamboo fly rods are made from scratch and developed into finished products.

Drill bits; photo booths; stamps.

Leading aviation experts are confronted with a shocking theory as they investigate one of the greatest aviation mysteries of all time.

Discover how yacht wheels, braided rugs, automobile thermostats and chisels are made.

Three-wheeled vehicles, baseball bats and artificial bonsais are put under the microscope to find out how they are made.

Springs; pavers; pianos.

Ropes; billiard tables; sailboards; cymbals.

A closer look at how seatbelts, hot-air balloons, wax figurines and windows are made from scratch and turned into finished products.

Showing how air fillers, billiard cues, suits and ice sculptures are truly made, focusing on the manufacturing process.

A 1996 collision between United Express 5925 and a private plane leaves investigators stumped, until they learn a missing pilot played a role.

Checking out Texas' newest and most innovative engineering and technological projects.

The Southern fleet fights to keep the lead, but the Northern boats aren't going down easy; when one fish is all it takes to shake things up, the only way to get on top is by taking risks and never backing down.

Discover how yacht wheels, braided rugs, automobile thermostats and chisels are made.

Three-wheeled vehicles, baseball bats and artificial bonsais are put under the microscope to find out how they are made.

Springs; pavers; pianos.

Ropes; billiard tables; sailboards; cymbals.

Deadly flooding sinks the Alaska Ranger in March 2008, forcing the crew to abandon ship into the frigid waters off the coast of Alaska; their retrieval marks the largest cold water rescue in the history of the U.S. Coast Guard.

The Southern fleet fights to keep the lead, but the Northern boats aren't going down easy; when one fish is all it takes to shake things up, the only way to get on top is by taking risks and never backing down.

Checking out Texas' newest and most innovative engineering and technological projects.

A 1996 collision between United Express 5925 and a private plane leaves investigators stumped, until they learn a missing pilot played a role.

Discover how yacht wheels, braided rugs, automobile thermostats and chisels are made.

Three-wheeled vehicles, baseball bats and artificial bonsais are put under the microscope to find out how they are made.

Springs; pavers; pianos.

Ropes; billiard tables; sailboards; cymbals.

A closer look at how seatbelts, hot-air balloons, wax figurines and windows are made from scratch and turned into finished products.

Showing how air fillers, billiard cues, suits and ice sculptures are truly made, focusing on the manufacturing process.

Deadly flooding sinks the Alaska Ranger in March 2008, forcing the crew to abandon ship into the frigid waters off the coast of Alaska; their retrieval marks the largest cold water rescue in the history of the U.S. Coast Guard.

A 1996 collision between United Express 5925 and a private plane leaves investigators stumped, until they learn a missing pilot played a role.

Checking out Texas' newest and most innovative engineering and technological projects.

The Southern fleet fights to keep the lead, but the Northern boats aren't going down easy; when one fish is all it takes to shake things up, the only way to get on top is by taking risks and never backing down.