14TH STREET ARCHITECTURE TOUR, Daniel Emberley, writer, and Mary Fitch, executive director of the American Institute of Architects, lead a tour of the area's architecture, 1 p.m., meet at Luther Place Memorial Church, 1226 Vermont Ave. NW. Free; reservations required. 202-667-1798.
U.S. HISTORY PANEL DISCUSSION, authors Walter Isaacson, Joel Achenbach, Stanley Weintraub and others discuss their views of the Founding Fathers, 2-5:30 p.m., National Archives, Constitution Avenue NW, between Seventh and Ninth streets. Free; reservations required. 202-501-5000, Ext. 5.
ART RECEPTION, for "Quest for Meaning: Seeing With the Heart's and Mind's Eye," a varied-medium exhibit, meet the artists, 3-5 p.m.; exhibit continues, 9 a.m.-5 p.m. Mondays through Saturdays, 12:30-5 p.m. Sundays, through Oct. 15, Washington Theological Union, 6896 Laurel St. NW. Free. 202-726-8800.
ARCHITECTURAL SKETCHING, architect Eric Jenkins and others from the Catholic University of America's School of Architecture lead the event, 3:45 p.m., meet at the U Street/Cardozo Metro station across from the Lincoln Theater, 1300 U St. NW. Free; reservations required. 202-667-1798.
GOSPEL MUSIC, ART, concert by the American University Gospel Choir, 4 p.m.; an exhibit of contemporary works by 14 artists, reception, 5-6:30 p.m., Metropolitan Memorial United Methodist Church, 3401 Nebraska Ave. NW. Free. 202-363-4900.
CATHEDRAL ORGAN RECITAL, Mark Cole, 5 p.m., Washington National Cathedral, Massachusetts and Wisconsin avenues NW. Free. 202-537-6200.
VOCAL RECITAL, Olga Tanon, 6 p.m., Kennedy Center, Concert Hall, 2700 F St. NW. Free. 202-467-4600.
NEHRU TALK, Judith M. Brown discusses her book "Nehru: A Political Life," about India's first prime minister after independence from British rule, 4:30 p.m., Library of Congress, Jefferson Building, 10 First St. SE. Free. 202-707-2692.
KENNEDY CENTER FREE CONCERTS, local jazz artists salute Charles Mingus and Thelonious Monk, 6 p.m. Monday; Japanese dancer Maoko Maeshiba, 6 p.m. Tuesday and Wednesday, Grand Foyer, 2700 F St. NW. Free. 202-467-4600.
WORKING WITH AN ARCHITECT, an architect discusses how to work with an architect when planning a new house, addition or office, and how to avoid common misunderstandings, 6:30-8 p.m., American Institute of Architects, 1777 Church St. NW. Free; reservations required. 202-667-1798.
CAPITAL "SHENANIGANS," John McCaslin discusses his book "Inside the Beltway: Offbeat Stories, Scoops and Shenanigans From Around the Nation's Capital," 7 p.m., Corcoran Gallery of Art, 500 17th St. NW. $14. 202-639-1770.
SPANISH ART TALK, curator Massumeh Farhad leads a tour of the exhibit "Caliphs and Kings: The Art and Influence of Islamic Spain" and discusses the art and its legacy, noon, Arthur M. Sackler Gallery, 1050 Independence Ave. SW. Free. 202-633-1000.
CLASSICAL RECITAL, faculty members from the Levine School of Music, 12:10 p.m., Church of the Epiphany, 13th and G streets NW. Free. 202-347-2635, Ext. 18.
HEALTH IN ANCIENT EGYPT, Chahira Kozma of the Georgetown University Medical Center discusses ancient medical practices and evidence of diseases from a range of biological, written and artistic sources and the study of pathological tissue in mummies and skeletal remains, 6:30 p.m., Embassy of Egypt, 3521 International Ct. NW. Free; reservations required. 202-895-5400.