Aug 10th 2019

The ruins of Bannerman’s Castle, an abandoned military surplus warehouse, still stand in the middle of the Hudson River

In the early 20th century, a New York City entrepreneur bought Pollepel Island and built the eye-catching structure to advertise his explosive business

By Roadtrippers

Photo: Alexandra Charitan

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Roadtrippers helps you find the most epic destinations and detours—from roadside attractions to natural wonders and beyond.

The ruins of Bannerman’s Castle, an abandoned military surplus warehouse, still stand in the middle of the Hudson River

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