the goal of preventing home building and other construction, today it continues as a volunteer advocacy organization focused on improving quality of life in the neighborhood. It was first founded to fight city plans to replace the neighborhood's brick sidewalks. Since then its efforts have been instrumental in preserving Beacon Hill as a historic district, and have expanded to include such initiatives as: working to become the first neighborhood to receive resident parking permits, streamlining trash service, and creating a virtual retirement community serving the neighborhood's elderly. Non-religious The Club of Odd Volumes, a historic organization on Mount Vernon Street, serves as a Bibliophiles club, library, and archive. The Headquarters House, also known as William Hickling Prescott House, is a museum run by the Society of Colonial Dames. The country's oldest legal organization, the Boston Bar Association, is on Beacon Street. Beacon Hill Village was the first formal Elder Village in the United States. Religious Religious organizations include the Vilna Shul, an Orthodox Jewish synagogue, and the Unitarian Universalist Association headquarters. Church of the Advent is a Victorian Gothic Church, faced in brick with 8 massive carillon bells and a 172-foot spire. The Park Street Church, nicknamed "Brimstone Corner" in the 19th century, was used to store gunpowder during the War of 1812. Samuel Francis Smith first sang his song America the Beautiful at this church in 1831. Two years earlier William Lloyd Garrison spoke to the congregation about abolishing slavery. One of the few outposts of the small Protestant group the Swedenborgian Church is on Bowdoin Street, and was embroiled in controversy in 2013 over alleged extortion by a former mafioso. While home to a Paulist chapel, Beacon Hill is currently one of only two neighborhoods in Boston that does not contain a Catholic parish church. Neighborhoods Beacon Hill is predominantly residential, known for old colonial brick row houses with "beautiful doors, decorative iron work, brick sidewalks, narrow streets, and gas lamps". Restaurants and antique shops are located on Charles Street. Louisburg Square is "the most prestigious address" in Beacon Hill. Its residents have access to private parking and live in "magnificent Greek Revival townhouses." Nearby is Acorn Street, often mentioned as the "most frequently photographed street in the United States." It is a narrow lane paved with cobblestones that was home to coachmen employed by families in Mt. Vernon and Chestnut Street mansions. The Harrison Gray Otis House