The abandoned Bannerman Castle sits on Pollepel Island in New York's Hudson River. Once a fortress for weapons, the castle is only accessible by private boat. Today, the facility hosts tours and ...

On the isolated shores of Pollepel Island, just 60 miles north of New York City, sits the ruins of a structure from the 20th century known as Bannerman Castle. It was originally constructed as an ...

Essentially left to rot for the latter part of the 20th century, the island is now managed by the Bannerman Castle Trust, which, in partnership with New York State, has made continued investments ...

A drone video of Bannerman Island in New York's Hudson River, an abandoned munition facility for a Brooklyn entrepreneur built in the early 1900s.