John Washburn put an arch pattern within the wall he is building in Westerly. The wall is, in a sense, also a small engineering marvel. It extends about 200 feet.

The Boonton Stone Arch in Grace Lord Park, a remnant of the town’s historic Ironworks, reopened after a nearly $700,000 restoration.

Built in 1866, the stone arch span is the last physical remnant of Boonton's thriving iron manufacturing industry, which continued into the early 20th century.

Exploring St. Louis’ built environment, from stone foundations to soaring towers of steel This photo essay prepares you to take it all in from the ground up, from the city’s rich, deep clay deposits ...

The Oct. 26, 1978, Quincy Herald-Whig talked about a proposed new park or scenic overlook to be centered on a stone bridge built in the late 1850s over Fall Creek.