Then & Again

Top: Playing pool at the Idle Hour billiard parlor on U Street NW. 

Top: A crowded streetcar at 12th Street and Pennsylvania Avenue NW. The passengers are standing on a portable wooden platform that could be removed to clear the way for parades.

Top: The Crystal Pool at Glen Echo Park could accommodate up to 3,000 swimmers and had a sandy beach for sunbathing.

Top: Jockey Eddie Belmonte and Personality after winning the Preakness Stakes at Pimlico Race Course in Baltimore.

Top: Members of the Washington Society of Landscape Painters in Rock Creek Park, left to right: Benson B. Moore, Herbert Hicks, A.J.T. Meurer and Garnet W. Jex.

Left: Peaches the spaniel and owner Tim Mittell stroll in Northwest Washington on Easter Sunday.

Top: Roller skaters cruise Rock Creek Park in Northwest Washington.

Top: An ambulance drill at the Army of the Potomac headquarters near Brandy Station, Va., in Culpeper County.

Top: Bird's-eye view of the Washington Monument grounds, where Civil War veterans were encamped to lobby for benefits.

Top: Fans before the Beatles performance at the Washington Coliseum.

Top: A mural next to the site of the old Columbine Apartments near 19th and Corcoran streets NW dramatizes efforts of Dupont Circle residents to preserve the area as a park.

Top: Public school children conducting science experiments, Washington.

Top: Senate pages stage a snowball fight outside the Capitol, circa 1925.

Top: First lady Betty Ford and children of the diplomatic corps watch Fran Allison and puppet "Ollie" at a White House Christmas party, 1975.

Left: Man sipping tea at the Occidental restaurant on Pennsylvania Avenue NW, 1942.

Top: Parked cars on the Mall, 1943. Bottom: Electric vehicles on the Mall, 2005. The Energey Department lent the cars to students competing in the Solar Deathlon, a contest in which college teams build solar-powered homes.

Top: Boys on the Loudoun Heights Trail overlooking Harpers Ferry, W. Va.

Top: Franklin D. Roosevelt, the Democratic nominee for governor of New York, and members of his family cast votes in Hyde Park.

Top:  Future president Richard Nixon and former president Dwight Eisenhower at Burning Tree Country Club in Bethesda.

Top: Schoolchildren learning to dance in a school yard in Washington.

Top: Baseball fans checking The Washington Post's World Series scoreboard, which was updated by telegraph transmission. The crowd was outside the newspaper's old building near 14th and E streets NW.

Top: A group of boys playing in the Reflecting Pool in front of the Lincoln Memorial.

The entrance in 1900 grew a "security facility" addition in 2002.

Top: In the cafe at a truck stop on New York Avenue, Washington.

(Top) The Home Savings Bank building at Seventh Street and Massachusetts Avenue NW was demolished.

(Top) Thanks to a fuel shortage, John Hudson, owner of a Texaco station in Arlington, has nothing to sell.

Top: President Abraham Lincoln's funeral procession moves along Pennsylvania Avenue.