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From the United States World / Places
Castle Clinton
A circular sandstone fort survives within the Battery after serving several waterfront roles, including immigration processing. Its compact enclosure makes a focused historical stop beside the harbor.
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The circular fort gives a compact introduction to the changing uses of Manhattan's waterfront. Its survival within the Battery makes the old defensive shoreline easier to imagine. Look at the structure and interpretation on site, while keeping ferry ticketing and any onward boat trip separate from the fort visit.
What to look for
Circular sandstone fort
Former immigration station
Your next visit
Estimated · Declared scenario and planning estimates; no live opening, weather, queue or booking service.
Outdoor visit · 10–25 min
Public-space walk and exterior observation only; no interior, garden, tower or ticketed admission included. Durations and walking are estimates. Check temporary restrictions and park or market opening times.
Outdoor visit · 15–30 min
World planning estimate; admission, opening, visit duration and access need checking.
