Museums

HIRSHHORN"The Cinema Effect: Illusion, Reality and the Moving Image, Part II: Realisms," through Sept. 7. Permanent exhibit: Paintings and sculpture from the 19th and 20th centuries and an outdoor sculpture garden. Open daily 10 to 5:30. Seventh Street and Independence Avenue SW. 202-633-1000 (TDD: 202-633-5285).

HISTORICAL SOCIETY OF WASHINGTON"Discover Greatness: An Illustrated History of Negro Baseball Leagues," through Oct. 5; "Separate and Unequaled: Black Baseball in the District of Columbia," through Oct. 5. 801 K St. NW. 202-383-1850.

INTERIOR DEPARTMENT MUSEUM Open indefinitely: "Conservation in Action: The Legacy of Rachel Carson"; "Portraits of Archaeology"; "The Bats and the Bees: Pollination Systems in America"; "The Surveying and Mapping of America"; Interior Department Museum, 18th and C NW. 202-208-4743.

INTERNATIONAL SPY MUSEUM Permanent exhibit: Displays of wristwatch cameras, poison gas guns, a World War II Enigma cipher machine and other coding machines, disguises, etc. Open daily 10 to 6. $18, seniors $17, ages 5 to 11 $15, younger free. Separate admission to "Operation Spy," $14 for age 12 and older; combination ticket $25. 800 F St. NW. 202-393-7798.

KOSHLAND SCIENCE MUSEUM Open indefinitely: "Global Warming Facts & Our Future"; "Infectious Disease: Evolving Challenges to Human Health"; "Wonders of Science." Open daily except Tuesdays 10 to 5. $5, seniors, students and military $3. Sixth and E NW. 202-334-1201.

LIBRARY OF CONGRESS"Alvin Ailey American Dance Theater: 50 Years as Cultural Ambassador to the World," through Sept. 6. Open indefinitely: "Bob Hope and American Variety"; "Exploring the Early Americas." Library of Congress tours, hourly 10:30 to 3:30 Mondays-Fridays and 10:30 to 2:30 Saturdays; "The Library of Congress Experience," interactive displays and kiosks . Open Monday-Saturday 10 to 5. 10 First St. SE. 202-707-4604.

MARYLAND SCIENCE CENTER"Body Worlds 2" and "The Brain -- Our Three Pound Gem," through Sept. 30 ($24, seniors and students $23, ages 3 to 18 $18; "Body Worlds" only on selected evenings after museum exhibits close $19, ages 3 to 18 $14). Open Friday-Saturday 9 to 8, Sunday-Thursday 9 to 6, through Aug. 31. Museum admission, depending on options selected, $14-$19.50, ages 4 to 12 $9.50-$13.50. 601 Light St., Baltimore. 410-685-5225.

NATIONAL ARCHIVES"Running for Office: Candidates, Campaigns and the Cartoons of Clifford Berryman," through Aug. 17; "Harris Treaty," The 1858 trade agreement with Japan indefinitely. Open indefinitely: "Public Vaults"; "The Charters of Freedom." Permanent exhibit: The Declaration of Independence, the Constitution and the Bill of Rights. Open daily 10 to 7. Ninth Street and Constitution Avenue NW. 202-357-5000.

NATIONAL BUILDING MUSEUM"Eero Saarinen: Shaping the Future," through Aug. 23. Open indefinitely: "Cityscapes Revealed: Highlights From the Collection"; "Washington: Symbol and City." Building tours Monday-Wednesday at 12:30; Thursday-Saturday at 11:30, 12:30, 1:30; Sunday at 12:30 and 1:30. Museum open Monday-Saturday 10 to 5, Sunday 11 to 5. 401 F St. NW. 202-272-2448.

NATIONAL CRYPTOLOGIC MUSEUM Permanent exhibit: Artifacts on the history of code-making and code-breaking. Open weekdays 9 to 4. At the National Security Agency, off Route 32, Fort Meade. 301-688-5849.

NATIONAL GALLERY OF ART, EAST BUILDING"Afghanistan: Hidden Treasures From the National Museum, Kabul," through Sept. 7; "Small French Paintings," indefinitely. Permanent exhibit: Collections of 20th-century art. Open Friday-Saturday and Monday-Thursday 10 to 5, Sunday 11 to 6. Fourth Street and Constitution Avenue NW. 202-737-4215 (TDD: 202-842-6176).

NATIONAL GALLERY OF ART, WEST BUILDING"Richard Misrach: On the Beach," through Sept. 1; "Martin Puryear," a major retrospective of sculpture by a native Washingtonian through Sept. 28; "Medieval to Modern: Recent Acquisitions of Drawings, Prints and Illustrated Books," through Nov. 2. Permanent exhibit: Collection of European and American paintings, sculpture and decorative arts from the 13th through the 19th centuries, and an outdoor sculpture garden. Open Monday-Saturday 10 to 5, Sunday 11 to 6. Sixth Street and Constitution Avenue NW. 202-737-4215 (TDD: 202-842-6176).