major alterations to the property were probably carried out under the ownership of Edward Grafton W. Hall, who owned it between 1857 and 1887. Modern era The house and property were acquired by the Maryland-National Capital Park and Planning Commission in 1974, for administrative offices, but was later renovated and reopened as a house museum. Darnall's Chance was listed on the National Register of Historic Places in 1978. The official name for the house, the Buck House, is for a late-20th-century owner, Harry Buck, Sr. After renovations and opening as a house museum, the property was subsequently renamed Darnall's Chance, after its first owner. In 1986, the entire second floor and roof were removed, and the house was reconstructed to its 18th-century appearance. Two years later, it opened as Darnall's Chance House Museum. Darnall's Chance House Museum Darnall's Chance House Museum is a historic house museum which opened to the public in 1988. It is operated by the Maryland-National Capital Park and Planning Commission. The tour at Darnall's Chance focuses on the life of Lettice Lee, as she lived in the house for almost thirty years, married three times, and was an unusual 18th-century woman. It also includes more general information on the other women who lived at Darnall's Chance and in Prince George's County at that time. The house is open for tours on Friday from noon to 4 pm, Sunday from noon to 4 pm, and at other times by appointment. Public programs offered at the Museum include tea lessons for young ladies, a pirate-for-a-day program, and an annual gingerbread house contest and show. The Museum rents its tented patio, which has a capacity of 125, for weddings and other events. Burial vault During 1987, an underground vault was discovered on the property. The vault when discovered, was filled with 8 feet of trash from the 18th and 19th century. Under the trash were found nine sets of human remains: three adults and six children. It was later determined that five of those remains were of native-born Americans. It was concluded that the people died of various illnesses. References External links , including photo in 1996, at Maryland Historical Trust website "Darnall Circle", Geocities genealogy of the Darnall family Darnall's Chance at the Washington Post Retrieved 23 August 2018 Houses completed in 1742 Houses on the National Register of Historic Places in Maryland Historic house museums in Maryland