TV Guide National Geographic Channel Friday

Explorers find evidence of a meteor strike that is tied to a Biblical tale; dig into a tunnel full of treasure in Mexico, and examine a medieval cave shrine.

Ranking history's ten most dramatic global disasters, from planes to trains.

Presenting ten of history's worst maritime disasters at sea, from the Titanic to the Lusitania.

Featuring history's ten worst dam failures, because when a dam fails, catastrophe follows.

Ranking history's ten most dramatic global disasters, from planes to trains.

Exploring the top ten collisions, including trains, planes and ships colliding.

Exploring the ten worst crashes, because in motorsports, tiny mistakes can cause disaster.

In July 1943, the Nazi panzer divisions came up against Soviet Union industrial might in one of the biggest tank battles in history.

As WWII reaches its end game, Allies and Soviets race to seize Berlin, uncovering Nazi secrets that reshape Europe and set the stage for the Cold War.

In Autumn 1942, German and Italian forces threaten British-controlled Egypt and the Suez Canal as the war comes to a head in the North African desert.

Hosts Pete and Marty investigate why the Allied forces in World War II were stopped in the mountains of Italy while on their way to Rome.

The hosts take a detailed look at Adolf Hitler's Vengeance rockets, which were advanced weapons developed during World War II by Nazi Germany.

The team travels to Germany to search through the Hurtgen Forest to learn about the longest and bloodiest battle that the U.S. Army has even been involved in.

The Japanese attack on Pearl Harbor is closely examined with the help of new technology to reveal undiscovered details about the military strike.

The team searches for clues in Papua New Guinea to discover how the Allies finally halted the Japanese forces during World War II.

A look is taken at the Malta bombings that took place in World War II, and emphasis is placed on how the island residents fought back against enemy forces.

Soaring cliffs, canyons and water shape a diverse wildlife refuge in Zion National Park, located in Utah, the park has a unique geography and a variety of life.

From its volcanic origins, the lush expanse of Katmai National Park and Preserve National park in southern Alaska boasts more than just bears.

From glacial peaks to coastal rainforests, Olympic National Park, on Washington's Olympic Peninsula in the Pacific Northwest, has rich biodiversity.

The Everglades National Park National park in Florida is an ecological treasure of North America, which brims with life.

Yellowstone National Park is an American trailblazer, as it spreads nearly 3,500-square-miles from Wyoming and into parts of Montana and Idaho too.

Will heads to the South Pole, where temperatures can drop below minus 100 degrees Fahrenheit; he skis and treks across giant icefields.

Will ventures deep into the Ecuadorian Amazon on an expedition in search of deadly creatures; they abseil 200 feet into a cave network.

A shipwreck is thought to be a lost flagship from the War of 1812, and an artist uncovers her ancestor's link to the burning of the White House.

The true story of one of the darkest crimes on the high seas, the sinking of the MV Lucona and its crew, all to claim a massive insurance payout.

Lost wrecks reveal how the Mob gained power and wealth in 1920s America.

Archaeologists uncover the truth behind the legend of a treasure ship; beachcomber finds porcelain and beeswax from a mystery shipwreck on Manzanita Beach, Ore.

A team of experts explores evidences of underwater cities to determine if these cities existed as ancient sites or if they were merely geological accidents.

Archaeologists uncover the truth behind the legend of a treasure ship; beachcomber finds porcelain and beeswax from a mystery shipwreck on Manzanita Beach, Ore.

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