Header Notice

Winter is here! Check out the winter wonderlands at these 5 amazing winter destinations in Montana

14 Stunning Castles In The United States You Won't Believe Exist

Published:

Modified: 5 October 2026

by Susanna Register

14 Stunning Castles In The United States You Won't Believe Exist

Yes, the United States has castles that rival those in Europe, from the 250-room Biltmore Estate to the Winchester Mystery House. Some were private homes, others grand hotels or museums, and each has its own story.

1. Biltmore Estate, North Carolina

In Asheville, the Biltmore Estate is America's largest privately-owned home. Built by George Washington Vanderbilt II, this French Renaissance chateau features 250 rooms, gardens, and a winery.

2. Hearst Castle, California

On a hilltop in San Simeon, Hearst Castle was the project of newspaper magnate William Randolph Hearst. This estate includes 165 rooms, 127 acres of gardens, and views of the Pacific Ocean.

3. Boldt Castle, New York

On Heart Island in the Thousand Islands region, Boldt Castle was built by millionaire George C. Boldt as a tribute to his wife. Construction halted after her death, and the castle remains a romantic destination.

4. Hammond Castle, Massachusetts

Overlooking Gloucester Harbor, Hammond Castle was built by inventor John Hays Hammond Jr. This medieval-style castle houses a collection of Roman, medieval, and Renaissance artifacts.

5. Loveland Castle, Ohio

Also known as Château Laroche, Loveland Castle was constructed by World War I veteran Harry D. Andrews. This small castle features medieval architecture and gardens.

6. Fonthill Castle, Pennsylvania

Built by archaeologist and tile maker Henry Chapman Mercer, Fonthill Castle in Doylestown blends medieval, Gothic, and Byzantine styles. The castle serves as a museum showcasing Mercer's tile work.

7. Gillette Castle, Connecticut

In East Haddam, Gillette Castle was the home of actor William Gillette, known for his portrayal of Sherlock Holmes. The design includes hidden mirrors, secret doors, and intricate woodwork.

8. Bannerman Castle, New York

On Pollepel Island in the Hudson River, Bannerman Castle was built by arms dealer Francis Bannerman VI. Partially in ruins, the setting and history make it a fascinating visit.

9. Iolani Palace, Hawaii

The only royal palace in the United States, Iolani Palace in Honolulu was the residence of Hawaii's last reigning monarchs. The architecture and history offer a glimpse into Hawaii's royal past.

10. Castello di Amorosa, California

In Napa Valley, Castello di Amorosa is a 13th-century-style Tuscan castle and winery. Visitors can explore grand halls, dungeons, and enjoy wine tastings.

11. Lyndhurst Mansion, New York

In Tarrytown, Lyndhurst Mansion is a Gothic Revival masterpiece designed by architect Alexander Jackson Davis. The architecture and grounds make it a popular destination.

12. Bishop's Palace, Texas

Also known as Gresham's Castle, Bishop's Palace in Galveston is a Victorian-style mansion built by lawyer and politician Walter Gresham. The ornate interiors and history attract many visitors.

13. Oheka Castle, New York

On Long Island, Oheka Castle is the second-largest private residence in the United States. Built by financier Otto Hermann Kahn, this French-style chateau now operates as a luxury hotel and event venue.

14. Thornewood Castle, Washington

In Lakewood, Thornewood Castle is a Tudor Gothic mansion built by Chester Thorne. The gardens and historic charm make it a popular spot for weddings and events.

From the Biltmore Estate in North Carolina to Hearst Castle in California, each of these castles in the United States tells its own story. They offer an escape for history buffs, architecture enthusiasts, and anyone looking to experience something extraordinary. Whether you're on the East Coast, West Coast, or somewhere in between, there's a castle nearby ready to captivate your imagination.