In the early morning hours of September 22nd, 1993, a cross-country train departed from Mobile, Alabama, on its way to Miami. As it headed up along the train tracks out of the city, the train didn't know one important thing - that half of the bridge over the Big Bayou Canot wasn't there anymore.
Videos:
Seconds from Disaster: The Wreck of the Sunset Limited
Forensic Files: Visibility Zero
Rail Disasters: Wreck of the Sunset Limited
Articles and books:
Barge Pilot Blamed in Fatal Amtrak Wreck
No Criminal Liability Is Found in Amtrak Bayou Derailment
Mobile Press-Register 200th Anniversary: Sunset Limited train wreck memories not diminished by passing years
NTSB report on the accident