National Geographic HD

Scientists uncover a city, a chamber, and a complex, and map a tunnel network.

Scientists uncover salt chambers, bunkers, old kingdoms, and mysterious caves.

In June 2020, scientists discovered Aguada Fénix, a monumental 3,000-year-old Maya structure, and uncovered the secrets of this ancient monument.

New evidence unearthed in Mexico's Yucatan 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.

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HSI runs a human trafficking sting; CBP arrests a domestic terror suspect.

HSI money laundering stings; CBP's largest drug seizure in LAX history.

HSI busts date-rape drug traffickers; CBP stops a car filled with cocaine.

CBP and HSI work together to take down traffickers of coke and marijuana.

CBP seizes fentanyl, coke and heroin; HSI Miami intercepts outbound guns.

CBP seizes suitcases of drugs bound for the UK and looted ancient statues.

CBP El Paso uncovers a massive meth load in a railcar; HSI Miami investigates a counterfeit passport ring, with a son implicating his own mother.

HSI finds illegal guns in Miami; CBP in Texas seizes meth worth millions.

AMO Puerto Rico finds cocaine on a ferry; CBP stops travelers with opioids.

HSI busts meth smugglers in San Diego; CBP intercepts drug body carriers.

Ibiza's hippie roots gave way to a booming, chaotic underworld.

British rave culture fuels Ibiza's rise into a darker, high-stakes drug haven.

Ibiza's party boom fuels cocaine turf wars and a violent criminal takeover.

CBP saves sacred African artifacts and finds a mega shipment of meth at LAX.

HSI busts meth smugglers in San Diego; CBP intercepts drug body carriers.

Ibiza's party boom fuels cocaine turf wars and a violent criminal takeover.