A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

The site of one of history's most indelible and horrific tragedies.

Where the embers of the Big Bang were first detected.