

An aerial tour over Kentucky reveals a state of racetracks, country music highways, bourbon distilleries and a history of feuds and traditions.

Tour the Wisconsin State Capitol and Milwaukee City Hall, once the tallest building in the world.

The stories and sights of Hawaii's major islands.

A tour over two U.S. territories, Puerto Rico and the U.S. Virgin Islands.

From corrosion and metal fatigue to faulty repairs, three doomed airlines are brought down by gradually deteriorating parts.

Polish Air Force Flight 101, carrying the President of Poland Lech Kaczyński, his wife Maria Kaczyńska and other top officials, crashes in a wooded area while on final approach to Smolensk North Airport in heavy fog and low visibility.

A billion-dollar Stealth Bomber crashes at a U.S. Air Force base-the costliest aviation disaster ever; bad data misleads a charter flight into a Portuguese mountain; conflicting alarms send a cutting-edge jetliner plunging into the Atlantic.

With hidden flaws buried in their navigation systems, three planes suffer catastrophic computer errors that force investigators to dig deep for clues.