The Butler County Heritage Center, featuring area industrial and agricultural exhibits, will be open for tours from 1 to 3 p.m. Sundays through Aug. 28.

Owned and operated by the Butler County Historical Society, the museum at 119 W. New Castle St. in downtown Butler opened to the public in 1995.

The permanent automobile collection includes an English Austin Chummy, the Bantam Hollywood prototype convertible sports car and an original Bantam Jeep. The local industrial exhibits include Armco, oil and Pullman-Standard, among others. Agricultural artifacts are also part of the collection.

Admission is $3 for adults, $1 for children ages 5 to 17, and free for children younger than 5 and county historical society members.

Dads will receive free admission on Father's Day, June 19.

For more information, call the historical society at 724-283-8116.

PITTSBURGH - The international exhibit "Clash of Empires: The British, French and Indian War, 1754-1763" continues through April 15, 2006, at the Heinz History Center, 1212 Smallman St. in the Strip District of Pittsburgh.The exhibition features more than 200 rare period artifacts and paintings from 63 lenders from throughout the world. Many of the objects are returning to Western Pennsylvania for the first time in 250 years, since the French and Indian War itself.After its stay in Pittsburgh, the exhibit will travel to the Canadian War Museum and then the Smithsonian Institution.Hours are 10 a.m. to 5 p.m. daily. Admission is $7.50 for adults, $6 for senior citizens age 62 and older, $5 for students with ID, $3 for children ages 6 to 18 and free for children age 5 and younger.For more information, call 412-454-6364.