Poplar Hill on His Lordship's Kindness (a.k.a. just simply "His Lordship's Kindness") is one of only three (3) historic structures in Prince George's County, Maryland to receive the prestigious honor of being designated a "National Historic Landmark." Take a tour of one of Prince George's County's most famous mansions with Museum Director Bianca Floyd. She tells the story of the families who lived in the house for the past 200 years including the stories of the enslaved African-Americans who in fact built the house.