Sunday, 10:10 a.m.: Cathedral organists Christopher Betts and Benjamin Straley discuss their musical world. Washington National Cathedral, Great Choir, Wisconsin and Massachusetts avenues NW. Free. 202-537-6200 or www.nationalcathedral.org.
Sunday, 11 a.m.: Award-winning author Enuma Okoro is the guest preacher at Mount Vernon Place United Methodist Church, 900 Massachusetts Ave. NW. Free. 202-347-9620 or www.mvpumc.org.
Sunday, 2 p.m.: Cathedral gargoyle tour. A docent shows slides of the building’s whimsical stone gargoyles and grotesques, followed by an outdoor tour. Bring binoculars and a camera. Meet at the Welcome Desk, adjacent to the underground parking elevators, Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $10; age 12 and younger, $5. 202-537-6200 or www.nationalcathedral.org.
Sunday, 3 p.m.: The Evangelism Ministry celebrates its annual day at First Baptist Church of College Park. The Rev. James Terrell, pastor of Second Baptist Church of Washington, will be a guest speaker. Gospel singing will be provided by the Choir of Second Baptist Church of Washington. First Baptist Church of College Park, 5018 Lakeland Rd., College Park. Free-will offering. 301-474-3995.
Sunday, 5 p.m.: The Aria Club of Greater Washington performs selections from “Carmen,” “Die Fledermaus,” “Porgy and Bess” and other operas and operettas. English surtitles provided. Tifereth-Israel Congregation, 7701 16th St. NW. $25. 202-723-1659 or www.theariaclub.homestead.com.
Sunday, 5:30 p.m.: Prayer Vigil Service of Hope for Humane Immigration Reform. Prayers in English and Spanish. Bring a potluck dish for a post-service meal. St. George’s and San Jose church campus, 915 N. Oakland St., Arlington. 703-525-8286 or firstname.lastname@example.org.
Sunday, 6 p.m.: Organist Benjamin Straley performs. Basilica of the National Shrine of the Immaculate Conception, Crypt Church, 400 Michigan Ave. NE. Free-will offering. 202-526-8300, Ext. 120 or email@example.com
Most weekdays, 10:30 a.m. and 1:30 p.m.: Behind-the-scenes cathedral tour, for ages 11 and older. See gargoyles and stained-glass windows. Climb a lot of stairs to view the city from above. Bring a camera. Washington National Cathedral, Wisconsin and Massachusetts avenues NW. $15. 202-537-6200 or www.nationalcathedral.org.
Monday-Friday, 6-8 p.m.: Vacation Bible School for all ages. Refreshments will be served each night. First Church of College Park, 5018 Lakeland Rd, College Park. Free. 301-474-3995.
Monday, 7 p.m.: “The Beauty of Holiness: A Cathedral Music Event.” Featuring the Cathedral organ, other instruments, the choirs of the Cathedral, under the direction of Michael McCarthy, and the choir of the Basilica of the National Shrine of the Immaculate Conception, under the direction of Peter Latona. Works by Herbert Howells, Thomas Tallis, Felix Mendelssohn, Marcel Dupre and others. Washington National Cathedral, Front Nave, Wisconsin and Massachusetts avenues NW. $40. 202-537-6200 or www.nationalcathedral.org.