1: Titanic Sinking $150.6 million

2: BP Oil Spill $65 billion

3: Chernobyl Disaster $235 billion

4: 2008 Financial Crisis $22 trillion

5: Space Shuttle Challenger Explosion $5.5 billion

6: Deepwater Horizon Oil Spill $65 billion

7: Enron Scandal $74 billion

8: Salem Witch Trials $1 million

9: Ford Pinto Controversy $49.5 million

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