On Monday, as part of its Historic Theater programs, the National Museum of American History will present a portrayal of American flag seamstress Mary Pickersgill (AP/The LaPorte Herald-Argus/Bob Wellinski)

The Going Out Guide recommends free things to do for every day of the week.

Historic Theater: Broad Stripes and Bright Stars
The National Museum of American History brings the past to life with its portrayal of Mary Pickersgill, the seamstress behind the Star-Spangled Banner. The museum also features a portrayal of cattle driver Nat Love throughout the day. 10:30 a.m., 12:30 p.m., 2 p.m. and 3:30 p.m. National Museum of American History, 14th Street and Constitution Avenue NW. 202-633-1000. www.americanart.si.edu.

(Re)Searching an American Slave Ship
Visitors can learn about the experience known as the Middle Passage, through which enslaved people were transported on ships to the New World. The program also features research by museum curators who looked into the methods used to identify slave ships in the 19th century. 10 a.m., 12:30 p.m. and 3 p.m. National Museum of American History, 14th Street and Constitution Avenue NW. 202-633-1000. www.americanart.si.edu.

Songs of Summer at Strathmore
Celebrate the season with an outdoor concert at Strathmore with performances by vocalist Deborah Bond, singer-songwriter Owen Danoff and jazz drummer Isabelle De Leon, among others. 7 p.m., Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100. www.strathmore.org.

Connect It! Pop Stars!
This 50-minute tour at the Virginia Museum of Fine Arts gives visitors the opportunity to learn about the pop art movement. Featuring pieces from the museum's permanent collection, the tour is tied to the "Pop Art and Beyond: Tom Wesselmann" exhibition. 7 p.m. Virginia Museum of Fine Arts, 200 North Blvd., Richmond. 804-340-1400. www.vmfa.state.va.us.

Serenade! Opening Celebration
The Washington D.C. Choral Festival, featuring choirs from around the world, kicks off with performances by the Children's Chorus of Washington, the Watch from Canada, the Wrocław Philharmonic Choir from Poland, Florida's Singing Sons Boychoir and Latvian Voices. 7:30 p.m. Church of the Epiphany, 1317 G St. NW. 703-683-6040. www.classicalmovements.com/dc.

Nerds! An Evening of Trivia
Got a knack for trivia? If you've got the brains, Politics and Prose has an event for you: an evening of trivia, drinks, grilled cheese sandwiches and prizes.8 p.m. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919. www.politics-prose.com.

Made in Hong Kong Film Festival: 'Cold War'
The 18th annual Hong Kong Film Festival continues into August. "Cold War," directed by Leung Longman and Sunny Lok, is about the kidnapping of five police officers - an event captured on the police department's surveillance system. 2 p.m. Freer Gallery of Art, Jefferson Drive at 12th Street SW. 202-633-1000. www.asia.si.edu.