Wednesday marks the 63-year-anniversary of three men escaping from Alcatraz.

There was a time when Alcatraz was viewed as the harshest and most secure prison in the country. That honor now belongs to ADX Florence in Colorado.

However, there was a time in America where the worst of the worst were shipped off to the island in the San Francisco Bay.

The idea of escape was viewed as impossible due to the water and unlikely chances of survival. That was until John Anglin, Clarence Anglin and Frank Morris disappeared into the night.

Read more: outkick.com

See the Unsolved Mysteries episode: