

An aerial tour of Kansas shows a state with varied landscapes, scenic areas and historical conflict sites.

A coast-to-coast aerial journey across America, visiting locations made famous by movies such as Rocky, Citizen Kane, Forrest Gump and others.

A journey over America's western landscape featuring "wild" history and stories of colorful characters.

Trace the chain of events that led to a deadly explosion on the Deepwater Horizon rig and unleashed the largest marine oil spill in history; see the failed part that caused the NASA Challenger Space Shuttle to explode seconds after liftoff.

Experts examine how the Chernobyl nuclear disaster and the Bhopal gas tragedy happened; they also explore the consequences and how they could have been avoided.

A 1966 landslide in Wales killed 116 children and 28 adults; a 2019 dam collapse killed 115 people in Brazil.

Experts examine what caused the Zeebrugge ferry tragedy and the Costa Concordia cruise ship disaster; what were the consequences, and how could they have been avoided?

Experts examine how engineering failures allowed Hurricane Katrina to devastate New Orleans and cause the collapse of the Tacoma Narrows Bridge.