Neighbors are invited to tour the state-of-the-art Mercy Circle community, Sun., Sept. 9, 11 a.m. to 2 p.m., 3659 W. 99th St. Visitors will see the exercise room, chapel, boutique salon, library, dining room and bistro. Residents and staff members will be on-site to answer questions. Light refreshments will be served. Info 773-253-3600.