PHOTOS: A look inside former President Theodore Roosevelt's "Summer White House" mansion in Oyster Bay, Long Island

Susan Sarna has been the curator at President Theodore Roosevelt's "Summer White House" for the past 25-years at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

A gold-leaf covered eagle on the exterior of President Theodore Roosevelt's 28-room Sagamore Hill mansion that served as his "Summer White House" in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

Sagamore Hill, Theodore Roosevelt's "Summer White House," is shown at Sagamore Hill National Historic Site in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

The view from the porch of Sagamore Hill in Oyster Bay, N.Y. Sagamore Hill, the Long Island mansion that was Theodore Roosevelt's home and "Summer White House". (AP Photo/Kathy Willens)

A third-story alcove in President Theodore Roosevelt's "gun room" contains a desk, one where he wrote and dictated to his secretary at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

Elk and bison heads along with mementos President Theodore Roosevelt received adorn the North Room in his "trophy room" at Sagamore Hill, his "Summer White House" in Oyster Bay, NY (AP Photo/Kathy Willens)

Conservator Ronald Harvey of Lincolnville, Me., works on a moose head shot by President Theodore Roosevelt, an avid hunter, in his formal dining room at Sagamore Hill (AP Photo/Kathy Willens)

President Theodore Roosevelt's Rough Rider hat hangs on the horns of an elk head shot by the nation's 26th president in his trophy room at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

President Theodore Roosevelt's personal scale and an embroidered towel hang in his dressing room at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

President Theodore Roosevelt's formal dining room at his "Summer White House" in Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

An African buffalo head hangs above the mantle over a fireplace, while a dinner gong decorated with Kenyan elephant tusks sit in the hallway at the entrance to Sagamore Hill (AP Photo/Kathy Willens)

Personal mementos from President Theodore Roosevelt's life fill the library at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

A period telephone, an Abraham Lincoln inkwell, and stirrup and a photograph of his wife Edith sit on Theodore Roosevelt's desk in his library at Sagamore Hill in Oyster Bay, N.Y. (AP Photo/Kathy Willens)

OYSTER BAY, Long Island (WABC) -- Sagamore Hill, President Theodore Roosevelt's "Summer White House," is a National Historic Site on Long Island.

The three-story, 28-room Long Island mansion, named by Roosevelt after the Indian chief Sagamore Mohannis, was his home in in Oyster Bay, N.Y.

Roosevelt's mansion reopened in 2015 after a four-year, $10 million renovation by the National Park Service.

The Associated Press contributed to this report.