1.   ...a penal colony.

2.   ...imprisoned on an island that has served as a penal colony since Roman times.

3.   Australia was once a penal colony..

4.   An earthquake has split Los Angeles from the mainland, making it the perfect spot for the national penal colony.

5.   And all eyes in the onetime penal colony would be watching.

6.   Australia was nothing but a penal colony for those limey Brits, you know.

7.   But as a development project, the penal colony failed miserably.

8.   Crowded and underfinanced, they served often as penal colonies for uncooperative teachers.

9.   For all the horrors of the penal colony, many people in French Guiana look back with fondness.

10.   I had no idea of the huge cost of what I was sure would be a private penal colony.