Harmony Hall is a historical mansion located in Fort Washington, Maryland, which is part of the Piscataway Park. This national park point of interest attracts visitors from all over the world for its historical significance and the unique experiences it offers.

There are several reasons to visit Harmony Hall, including the opportunity to explore the mansion's rich history, the beautiful gardens surrounding the house, and the scenic views of the Potomac River. The mansion was built in the 18th century and features beautiful Georgian architecture. Visitors can take a tour of the house and learn about its fascinating history, which includes its use as a tobacco plantation, a Civil War hospital, and a summer retreat for wealthy Washingtonians.

One of the unique things to see at Harmony Hall is the restored slave quarters. The quarters were part of the plantation, and visitors can see the living conditions that slaves endured during the 18th and 19th centuries. The restored quarters are a powerful reminder of the history of slavery in the United States.

Harmony Hall is also home to a beautiful garden that was designed in the 1930s by the renowned landscape architect, Beatrix Farrand. The garden features a variety of native plants and flowers, as well as a fountain and a pond. Visitors can take a leisurely stroll through the garden and enjoy the tranquil surroundings.

In conclusion, Harmony Hall is a must-see point of interest for anyone visiting Maryland. Its rich history, beautiful architecture, and stunning gardens make it a unique and memorable experience. Visitors can learn about the history of the mansion, see the restored slave quarters, and enjoy the beautiful scenery.