The Westmoreland County Historical Society will hold a tour of houses of historic significance Sept. 13 and 14.

The first day will offer a self-driving tour from 10 a.m. to 4 p.m. of these four houses and a church:

• Welty Farm House, built in the 1830s, in the Hannastown-Forbes Road area of Hempfield;

• Barnhart House, mid-1850s, Hannastown-Forbes Road area;

• Unity Chapel, 1874, includes Unity Cemetery, 1774;

• Israel T. Sheffler House, 1857, Greensburg;

• Michael Rugh House, 1790, Murrysville.

Forbes Road, a major route west to Fort Duquesne during the French and Indian War, can be seen from some of the sites.

Tickets for the Sept. 13 tour are $25 in advance or $30 that day and may be purchased at the historical society, 41 W. Otterman St., Suite 310, Greensburg; Earnest Gourmet, Greensburg; Historic Hanna's Town Gift Shop; and Carbone's Restaurant, Crabtree.

A map and a booklet about the properties will be provided.

On Sept. 14, a tour and cocktail party will be held from 6 to 8 p.m. at the Barclay House, built it 1904 and one of Greensburg's finest old homes.

Tickets for Sept. 14 are $50 and may be purchased only from the historical society. Call 724-836-1800, ext. 15. Advance reservations are necessary. Space is limited.