It's a magnificent Gold Coast mansion, standing majestically on the highest point of Long Island.

Take a tour of Oheka Castle on this Road Trip: Close to Home.

As soon as you roll up you will feel like royalty. You will be greeted by the grand staircase.

The historic mansion tour takes you through Gold Coast history and the Huntington estate.

Oheka Castle is one of the largest residences in the United States. It was home to Otto Herman Kahn and his family.

Visit the library restored to look exactly like it did in the roaring '20s.

Stop by the Chaplin room - dedicated to Otto's famous friend Charlie Chaplin.

On the tour you can see the grand ballroom, terrace room, and the gorgeous guestrooms uniquely decorated.

You'll get to go outside and walk on the grounds. The tour typically takes about an hour.

If you want to extend your day, you can have lunch at their restaurant OHK.

And if you want to extend your stay, and really get the royal treatment, book one of their guest rooms and spend the night.