MUSEUM OF OUR NATIONAL HERITAGE

33 Marrett Rd. (Rte. 2A and Mass. Ave.), Lexington, (781) 861-6559. Open Mon. through Sat. from 10 a.m. to 5 p.m. and on Sun. from noon to 5 p.m.

Ongoing: "Made in Massachuetts," "The Enchanted Clocks of George McFadden," "Initiating America: Three Centuries of Lodge Life," and "Lexington Alarm'd." May 4 through 7: "The Wall That Heals," Vietnam Veterans Memorial half-scale replica. Through Sept. 3: "Return to Route 66." April 29: "Buffalo Soldiers in the Wild West" lecture by historian Lee N. Coffee at 2 p.m.