A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.