National Geographic HD

A Coastguard naval vessel is involved in the interception of a drug boat; the crew of the helicopter is called out to perform a dangerous rescue.

A navy vessel opens fire on a drug boat that won't stop; a Metal Shark crew in Aruba tries to calm down a captain's temper.

A naval vessel is involved in two thrilling interceptions of drug boats; the helicopter crew attempts a rescue of a mysterious man at sea.

Regain independence and enjoy greater mobility with the compact design and long-lasting battery of portable oxygen.

Join your hosts Kevin Cash & Cory Cady as we discuss the 250th Anniversary of America with the official "America 250" logo on a Silver American Eagle label. We are locking in orders for this iconic release, but spots are limited! Don't miss out!

Jacuzzi Bath Remodel and interior designer Christina Haack shares how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day.

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See how one company is changing people's lives by helping them put their tax problems to rest.

Matt's pain from his 20-year-old lost limb is solved.

In the African desert country of Mali, rare desert elephants must migrate for food and water.

Stone artifacts, burial grounds, and temple ruins shed light on an unknown civilization; the discovery of a green light emitting in a dark forest; the remains of a long-lost temple are found; coral rubble is unearthed on Suakin Island.

Human remains are unearthed on Daksa island; flying objects are spotted above Maury Island; on Isle of Wight, remains of a previously unknown species of dinosaur is found; strange ritual artifacts are uncovered on Sweden's Bla Jungfrun Island.

A headless skeleton is discovered on Australia's Beacon Island; near the Marshall Islands, a huge undersea crater is discovered; in Mexico, an island full of dolls reveals a grim history; animal bones are found on an island in the English Channel.

Poveglia, a small island near Venice, Italy, is investigated; an exploration of Japan's Battleship Island reveals a troubled history; strange trees are found on the Yemeni island of Socotra; on Indonesia's Flores Island, a skull is found in a cave.

A treasure map leads to the discovery of a lost fortress; a sacred altar is unearthed, revealing secrets of the legendary Maya Snake King uprising; Albert Lin travels to a remote jungle, where technology reveals evidence of a forgotten war.

The treasure map uncovers a mysterious pyramid complex that reveals clues of violent sacrifices; newly discovered cave systems reveal evidence of ancient Mayan rituals; Albert Lin dives deep beneath the surface of the Mayan underworld.

Albert Lin follows the treasure map to a pyramid at the heart of the most famous ancient Mayan city; divers search for an entrance to a flooded cave beneath a Mayan pyramid; archaeologists find a ceremonial drinking cup that reveals a royal tomb.

Lost pyramids and hidden treasures reveal the epic scale of the ancient Mayan civilization.

In June 2020, scientists discover Aguada Fenix, a monumental 3,000-year-old Maya structure, and uncover the secrets of this ancient monument.

New evidence unearthed in Mexico's Yucutan begins to transform long-held ideas about the growth of the Mayan civilization.

Evidence of man-made reservoirs and toxic contaminants, and clues of battles and monumental pressure paint a picture of the Maya's downfall.

While the arrival of the Spaniards in the 16th century triggered a series of wars that caused the abandonment of the great Mayan cities, there is evidence that the Mayans never disappeared and their civilization never fell.

The dawn of the Inca, where myth and power forged a civilization.

Monumental remains of the Inca mark the empire's vast expansion.

A cemetery crammed with skeletons offers tantalizing clues about the collapse of the Inca Empire.

The dawn of the Inca, where myth and power forged a civilization.