Your fact-checks will appear here
Street in Cambridge, Massachusetts
Yes — has numerous real tunnels: and sandstone caves under the riverfront, municipal stormwater and utility tunnels, a 20th‑century highway tunnel, and many smaller pedestrian and railroad underpasses...
-network"> contains a large, multilayered underground sewer and stormwater network: roughly 830 miles of s, 509 miles of storm pipes, about 12 miles of deep storm s, and about 31 miles of sanitary mai...
sits atop a layered subterranean history: 19th‑century milling tailraces and caverns carved into St. Peter sandstone that powered flour mills, an infamous that threatened the falls and surrounding ind...