CNN: Places to see before they disappear

When it comes to the following tourist destinations, the trick will be getting there before the wrecking ball does.

1. Nauru

This tiny island in the South Pacific may soon be completely uninhabitable, and it’s all because the locals forgot to follow the Boy Scout motto: Be prepared.

Since the turn of the 20th century, Nauru has been one of the world’s prime sources for phosphate, a mineral compound formed over time from bird excrement, and an important ingredient in fertilizer.