The Boulders, also known as the James Orville and Adelene Buston Cammack House, is a historic home located at Greencastle, Putnam County, Indiana.

It was built in 1910, and is a 1+1⁄2-story, American Craftsman style wood frame bungalow.

It is sheathed in stained cypress clapboards and sits on a concrete foundation with a veneer of glacial stones.

[2]: 5 It was listed on the National Register of Historic Places in 1993.

This article about a property in Putnam County, Indiana on the National Register of Historic Places is a stub.