Oheka Castle Gardens

Huntington, New York

Oheka Castle, also known as the Otto Kahn Estate, was the country home of financier and philanthropist Otto Kahn. Built by Kahn between 1914 and 1919, it was and remains the second largest private home in the United States, comprising 127 rooms and over 109,000 square feet as originally configured.

General Ship Repair Corporation

Baltimore, Maryland

The General Ship Repair Corporation, a fixture on the Baltimore water front for nearly a century, provides ship repairs, tug and barge dry dockings and industrial services (Baltimore Metal Works Division), and has been in business since 1924.

Oakley Cabin

Brookeville, Maryland

An African American roadside community lived and worked on this historic site from emancipation well into the 20th century. Their culture and traditions heavily influenced those of surrounding communities, and their story is deeply woven into Montgomery County’s rich history. At the center of this site is Oakley Cabin, which was inhabited until 1976 and now serves as a living history museum.

Woodlawn Manor

Sandy Spring, Maryland

The Manor House was constructed in the early 19th century by the Thomas family, who built many of the late 18th /early 19th century brick homes in the Sandy Spring area. Francis Scott Key was a frequent visitor to the Manor House.

Brookeville Academy

Brookeville, Maryland

The Brookeville Academy is located in the heart of the Historic District in Brookeville, Maryland, a town located twenty miles (32 km) north of Washington, D.C. and two miles (3.2 km) north of Olney in northeastern Montgomery County, Maryland. It was built in 1810 as one of the first private schools in Montgomery County, Maryland.

The Clifton

Silver Spring, Maryland

Clifton is the oldest of many houses built by the founding Thomas family of the greater Sandy Spring Quaker community, and one of the oldest extant houses in Montgomery County.