The United Nations Slavery Memorial, officially known as The Ark of Return – The Permanent Memorial at the United Nations in Honour of the Victims of Slavery and the Transatlantic Slave Trade, is an installation at the Visitors' Plaza of the Headquarters of the United Nations in New York City, intended as a permanent reminder of the long-lasting effects of slavery and the Transatlantic slave trade. It was designed by Rodney Leon, a Haitian-American architect, and installed in 2015.