TV Guide National Geographic Channel Sunday

The U.S. Customs and Border Protection find liquid meth worth millions and the U.S. Department of Homeland Security Investigations busts meth smugglers.

Customs and Border Protection finds blind mules carrying fentanyl, and the United States Department of Homeland Security Investigations tails a loaded truck.

Police dog K9 units find a carrier hiding fentanyl; Homeland Security Investigations stop a deadly drug.

The U.S. Customs and Border Protection uncovers a mysterious drug from Asia and responds to the COVID-19 crisis.

U.S. Customs and Border Protection intercepts looted ancient artifacts and stolen cars.

Experts examine why the ancient Egyptians abandoned the pyramids; archaeologists search for secrets after they discover an ancient tomb.

As archaeologists work in Egypt, they discover clues from ancient times to help them better understand the mysteries of the Great Sphinx.

Experts closely examine Ramses the Great's hidden palace as they try to understand how the ruler became one of the most powerful pharaohs.

Archaeologists discover an ancient tomb of importance as they work in Egypt, and new details are shared about the mysteries surrounding King Tutankhamun.

A group of archaeologists searches for mummies as they attempt to learn new discoveries about what life was like in ancient Egypt.

As archaeologists attempt to find clues about where Egypt's Queen Nefertiti was buried, they come across several unexpected discoveries.

With a delayed evacuation order, many citizens of New Orleans are trapped and they are forced to brace for the storm's fury; residents recount the disaster.

After the hurricane passed, chaos ensues as the city floods and New Orleans residents fight to survive and the first responders try to save the locals.

Three days into the flood, rescue operations continue, but the media highlights looting over the thousands of people that are trapped in the city.

In post-Katrina New Orleans, General Honoré leads rescue efforts amid pressure to use force, as thousands remain stranded in the city.

As New Orleans' resilient residents evacuate the city, a plan for New Orleans takes shape and the future of the devastated city hangs in the balance.

An earthquake in the Indian Ocean sets off a tsunami that causes unprecedented havoc and devastation as the people are caught in the unfolding catastrophe.

After a massive earthquake triggered the deadliest tsunami in recorded history, multiple waves hit Thailand and locals and tourists work together to save lives.

The tsunami hits Sri Lanka and the waves wreck a train and destroy coastal cities; journalists race to break the news to the world.

In the aftermath of the deadliest tsunami in history, tourists become stranded on an island and survivors from around the world work together to save lives.

With a delayed evacuation order, many citizens of New Orleans are trapped and they are forced to brace for the storm's fury; residents recount the disaster.

After the hurricane passed, chaos ensues as the city floods and New Orleans residents fight to survive and the first responders try to save the locals.

Three days into the flood, rescue operations continue, but the media highlights looting over the thousands of people that are trapped in the city.

In post-Katrina New Orleans, General Honoré leads rescue efforts amid pressure to use force, as thousands remain stranded in the city.

As New Orleans' resilient residents evacuate the city, a plan for New Orleans takes shape and the future of the devastated city hangs in the balance.

Secrets of the attack on Pearl Harbor, in Honolulu, Hawaii, are revealed in various wrecks of ships, submarines and planes.