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Boldt Castle

🇺🇸 United States · 20th century

Boldt Castle in the United States
Photo: Teresa Mitchell; levels adjustment by Howcheng · Public domain · Wikimedia Commons

Boldt Castle is a major landmark and tourist attraction in the Thousand Islands region of the U.S. state of New York. Open to guests seasonally between mid-May and mid-October, it is located on Heart Island in the Saint Lawrence River. Heart Island is part of the Town of Alexandria, in Jefferson County. Originally a private mansion built for German-American millionaire George Boldt, it is now maintained by the Thousand Islands Bridge Authority as a tourist attraction.

Text adapted from “Boldt Castle” on Wikipedia, CC BY-SA 4.0.

Boldt Castle ranks #698 of 8,133 worldwide in the atlas's castle fame ranking, and #10 of the 106 mapped in United States. Founded c. 1925 — one of 169 atlas entries founded in the 20th century. Its Wikipedia articles were opened 16,924 times in the last 60 days, more than 96% of the atlas. See how United States compares in the castle statistics.

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Frequently asked questions

Where is Boldt Castle?

Boldt Castle stands in the United States, at 44.3445°, -75.9226°.

When was Boldt Castle built?

The atlas dates its founding to c. 1925. Earlier structures may have stood on the site; this is the earliest documented founding year.

How famous is Boldt Castle?

In this atlas's fame ranking: #698 of 8,133 worldwide, and #10 in the United States. Fame here combines how many Wikipedia language editions cover a landmark with how many people read them.

What is the nearest castle to Boldt Castle?

Fort Henry, about 45 km away.

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