A Civil War Christmas? Try Fort Ward museum Sunday for mid-19th-century Christmas music and decorations. Admission free, 1 to 4, at 4301 West Braddock Road. Call 838-4848.

Or try the federal era, Christmas of the 1850s at Decatur House when tours of the home of naval hero Stephen Decatur are offered for $2 ($1 for students and those over 65). Admission also includes tours of the second floor, decorated as it was from 1872 to 1957, when the Beale family lived there. At 748 Jackson Place, NW; noon to 4 Saturday and Sunday, 10 to 2 weekdays through December 24. (call 673-4273).

Starting this Sunday the admission gets you in as well to see Christmas circa 1920 at Woodrow Wilson's old home. It's done up for the holidays and open noon to 4 Sunday (Saturdays, too, beginning December 19) and 10 to 2 weekdays through December 24, at 2340 S Street NW. Call 653-5517.

Surratt House is also Victorian, a visit to the sights and sounds of the 1850s' Christmas through candlelight tours Sunday, 4 to 9, and December 14 and 15, 6 to 9. Admission $1, 50 cents for those under and 75 cents for those over 65. It's in Clinton, at 9110 Brandywine Road. Call 301/868-1121.

And the 18th-century yuletide is at Gunston Hall, decked with native evergreens and with "Carols by Candlelight," Friday 7 to 9 and Saturday and Sunday 3 to 5. Admission is $2, 15 cents for those 5 to 15. Gunston is 25 minutes south of D.C.: take the Lorton exit from I-95 or U.S. 1 from the George Washington Parkway. Call 703/550-9220.