Stories of those who believed in dreams and defied the commonplace with their extraordinary creations; covering some of the world's architectural and engineering structures, scientific inventions, and social wonders.

Modern Marvels

Exploring the inner workings of outer space.

How the Universe Works

How It's Made

Ordinary objects that are products of the most scientific engineering processes.

How Do They Do It?

Some of the biggest engineering projects that lie in ruins; cities that are empty ghost towns, bridges that were never finished and roads to nowhere; these deserted places are home to many mysteries and untold secrets.

Mysteries of the Abandoned

A look various baby animals and their first few months of life.

Too Cute!

The questions in myths and urban legends are put to the test; seeking to find out which myths are true and which are not.

MythBusters

Modern imaging technology and analysis from military and intelligence professionals, as well as leading scientists, investigate mysteries from strange geological occurrences to weird man-made structures as seen by more than 4,000 orbiting satellites.

What on Earth?

Dr. Jeff and his team of 30 veterinary experts run one of the busiest animal clinics in the U.S.

Dr. Jeff: Rocky Mountain Vet

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

Yellowstone Wardens

A first-ever, in-depth and behind-the-scenes look at the diverse animals residing at the Bronx Zoo, including the knowledge and diverse skills that are needed to run the world-famous facility.

The Zoo

Professional dog trainer and canine behavior consultant Brett Endes works with dogs and their owners to fix obedience and behavioral issues.

Untrainables

Fuzzy faces, sloppy kisses and puppy penalties are all part of the 15th annual experience that includes 93 adoptable puppies this year.

Puppy Bowl XV

South Africa's great whites are disappearing; shark scientist Alison Towner's mission to find these missing predators and solve the mystery behind their disappearance leads her and her all-female crew to uncharted waters and exciting discoveries.

Shark Women: Ghosted by Great Whites

Researchers suggest the possibility of a fatal flaw in the construction design of the ocean liner.

Titanic's Achilles Heel

State of the art robotics and artificial intelligence.

The Age of Robots

Engineers and scientists build, test and launch the James Webb Space Telescope, the most powerful observatory ever constructed, and the astonishing cosmological mysteries it will investigate.

Beyond Hubble: The Telescope of Tomorrow

A look at the lives of some of the iconic predators that call Africa home, including lions, cheetahs, leopards and wild dogs.

Predator Land

A look at sharks living deep in the ocean, where extreme adaptation is critical to survival.

What the Shark?

Some creatures play hard and die young. Small bodies are more susceptible to heat loss need a lot of calories to stay warm.

Life In The Fast Lane

Dr. Dan Thomson gives lectures about issues in veterinary medicine and animal agriculture.

DocTalk

It is sometimes necessary to create large "super structures" to overcome nearly-impossible challenges. This series showcases the construction of some of these larger-than-life structures. Some of the buildings are constructed to be able to survive natural disasters, while the purpose of others is mainly to highlight what engineers are capable of creating. Among the structures featured on "Project Impossible" are the largest movable building in history and a skyscraper built to withstand major earthquakes.

Project Impossible

A look at some of the most lethal animals on the planet.

Nature's Deadliest

How sex has impacted the way people govern, learn and do just about everything.

How Sex Changed the World

The relationship between nomadic herders and the Indian wolf, in the rugged terrain of southern India.

Walking with Wolves

Animal emergencies are followed in real time as they occur at animal hospitals and mobile vet emergency units across the country.

Animal ER Live

A rich and delicate ecosystem thrives on the eastern shores of Canada.

Wild Wild East

The relationship Pennsylvanians enjoy with the surrounding wildlife.

Wild Pennsylvania

Academy Award-winning actress Lupita Nyong'o narrates stories of survival in one of the most pristine and unspoiled corners of the African plains.

Serengeti

Skilled veterinarians take on extreme cases of animals -- from dogs to alligators -- who suffer from lumps, tumors and cysts and change their lives for the better.

Pop My Pet

Steve Bolnick strongly believes that by walking in the bush with animals, people can better understand nature and wildlife.

Walking with Elephants

Six survivors of attacks recount their ordeals.

Day of the Shark 3

Follow the adventure of Slava, a lone wolf, rejected by his pack after having been beaten by the dominant male. His trek will begin in Romania and transverse 3,600 km through 11 countries as he searches for a peaceful place and his own pack.

Wolf's Journey

Astrophysicists at the forefront of the search consider the possibility of finding a planet like Earth among any of the bodies discovered by a new space-based telescope.

Planet Hunters

Brian Unger explores how America's States got their borders and how they continue to change today.