Lowrie-Shaw House, built in 1828 by Walter Lowrie, Butler's only U.S. senator to date, at 123 W. Diamond St., will be open from noon to 4 p.m. Mondays, except April 14, and open as well from 10 a.m. to 2 p.m. Fridays. Admission is $3 for adults, $1 for those ages 5 to 17, and free for those younger than 5. Call 724-283-8116.

<B>Phipps Conservatory and Botanical Gardens</B> in Schenley Park continues its Spring Flower Show through April 13. The Conservatory transformed into a showcase of color and containers with garden adornments such as pedestals, urns, fountains and statuary and spring flower favorites, such as lily-flowering tulips, snapdragons, cineraria, hydrangea, cyclamen and delphinium. Hours are 9:30 a.m. to 5 p.m. every day. Admission is $12.50 for adults, $11.50 for seniors age 62 and older and for students with ID, $7.50 for children ages 2 to 18, and free for children younger than 2. Call 412-622-6914.<B>Carnegie Science Center</B>, One Allegheny Ave. next to Heinz Field on the North Side, continues to host "Bodies ... The Exhibition" through May 4; an extra fee is assessed for this display. Hours are 10 a.m. to 7 p.m. Fridays and Saturdays and from 10 a.m. to 5 p.m. Sundays through Thursdays; closed holidays. Regular admission to the science center is $14 for adults and $10 for senior citizens 62 and older and children 3 to 18. Parking is $3 for people visiting the science center. Call 412-237-3400 or visit the Web site, www.carnegiesciencecenter.org.<B>Heinz History Center</B>, 1212 Smallman St., presents "Pittsburgh Recast," featuring more than 50 pieces of work by members of the Pittsburgh Society of Illustrators through Sept. 7. Hours are 10 a.m. to 5 p.m. daily, except holidays. Regular admission includes both the History Center and Sports Museum and is $9 for adults, $7 for senior citizens older than 61, $5 for students with ID and for children ages 6 to 18, and free for children younger than 6. Call 412-454-6000.<B>Pittsburgh Children's Museum</B>, 10 Children's Way, Allegheny Square, continues "Secrets of Circles," exploring the math, science and beauty behind the familiar shape. Other exhibits include "Inside Peanuts: The Life and Art of Charles M. Schulz, through April 27, with assorted activities planned. Regular hours are 10 a.m. to 5 p.m. Mondays through Saturdays and noon to 5 p.m. Sundays. Regular admission is $9 for adults, $8 for children 2 to 18 and senior citizens, and free for children younger than 2. Call 412-322-5058 or visit the Web site, www.pittsburghkids.org.