Scientists look for reasons behind savage attacks off the mid-Atlantic coast.

Experts try to determine why sharks are suddenly on the attack along the Southern California coast.

A spike in shark attacks hits Maui, Hawaii that is three times more than the average, leading scientists and officials wondering when they will strike next.

A rugged coastline renowned for its picturesque cliffs and sandy beaches just north of San Francisco becomes a nightmare in 2004 when the area is stunned by four separate shark attacks over the course of six months.

The Gulf of Mexico's many species of sharks are normally docile and not uncommon for locals and tourists to spot, but in 2005 shark attacks along the coast exploded to more than five times the average.

Usually a pristine location, the waters of Cancun suddenly become a hot spot for shark attacks between 2011 and 2013, with six attacks along the shores; scientists work to figure out the cause behind the surge in attacks.

A family vacation hotspot along the Carolina coast becomes infested with shark attacks in 2015.

Australia experiences nine terrifying shark attacks in 2015.

The Hawaiian island of Oahu becomes besieged by shark attacks in 2015.

Cape Cod transforms from a peaceful tourist destination to a hotspot for shark attacks.

South Africa is home to the world's deadliest beach for shark attacks.

In 2006, the Oregon coast is plagued by the alarming anomaly of three shark attacks in three months.

A formerly safe beach in Mexico is the site of three shark attacks in a matter of weeks.

A look into what caused an increase in shark attacks around the Bahamas in 2002.

Beneath the still serenity of the Atlantic coastline lurks a dark danger in the safe, calm waters of the North Carolina and Virginia beaches.

Experts break down shark attack stories to reveal what can be done to avoid an attack.

A spike in bull shark attacks in North Carolina leaves experts scrambling for answers.

Sharks unleash a reign of terror in top tourist destinations.

Harrowing stories from people who faced real-life Jaws and lived to tell the tale.

Enhanced episodes of "When Sharks Attack" investigate the increase in shark attacks during the last half century, many occurring in new and surprising places.

Aquatic ecologist Zeb Hogan gets up close and personal with bizarre giants of the water, specimens equally enormous in proportion and odd in appearance. Among other adventures, Hogan investigates flying fish from Asia that are invading America's waterways, and he searches for one of North America's toothiest and most-misunderstood monster fish, the alligator gar. Some of the species Hogan encounters have survived for centuries but now face the threat of extinction, and he presents groundbreaking research undertaken to protect them.

"Move as millions. Survive as one." That's the catchphrase of this seven-part event for which a National Geographic team spent two-plus years recording across 20 countries and all seven continents. Narrated by Alec Baldwin, it tells the stories of many of the planet's species and the journeys they undertake to ensure their survival. The diverse range of animals shown -- many revealing behaviors never caught on film before -- include Botswana zebras, Mali elephants, flying foxes in Australia, Pacific white sharks, and the white-eared kob of the Sudan, thought to have been destroyed during decades of violence.

Africa is home to some of the deadliest creatures of all, and in this series, you'll see them.

Investigating the world's most clever and savage predators.

Searching for the world's strangest creatures.

Could you be a boss? Are you a liar? How tough are you? Do you live on the edge? Those questions and others like them are asked and then answered by data scientist Jake Porway to reveal surprising information. Porway recites mind-bending stats, conducts entertaining man-on-the-street experiments, and takes part in interactive games, all in the name of providing insight into life's mysteries in a fast-paced, engaging way.