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Towpath alongside the Blackstone River in Rhode Island
Entrance sign to Fallingwater historic sight in the Laurel highlands of southeasten Pennsylvania, Frank Llyod Wright's most famous house, during the peak fall season.
A no swimming sign posted on a fence preventing access to the river water being controlled by a concrete dam.
Fairfax Station, Virginia, USA - March 14, 2024: Active railroad tracks pass over the so-called “Bunnyman Bridge” at the Colchester Overpass in Fairfax County.
Photo of towpath along the C&O Canal at a place called Wide Water just below Great Falls in Maryland.
Various views of an aging railroad bridge in the suburban town of Wellesley, MA just outside of Boston.  The metal shows rust and the paint has mostly been washed away.  This bridge is emblematic of infrastructure challenges faced in the US.
Historic Roebling Bridge also known as Roebling's Delaware Aqueduct over the Delaware River on a brilliant fall morning
Mountain stream in rural New York State on an overcast rainy day.
The Tohickon Creek Aqueduct foot bridge in Delaware Canal State Park located in Bucks County Pennsylvania.
Appalachian Trail stretch of Connecticut
Anfabrikas locks is an engineering construction of the Ligatne river waterway cascade, fishway in spring. Latvia
Bridge at Moonville Tunnel in Ohio in Autumn
Bridge over the water at Delaware & Raritan Canal State Park (Princeton, New Jersey)
Fly fishing on the Batten Kill  River, Arlington, Vermont, USA
Old metal bridge over the Croton River downstream from the New Croton Dam, Croton-on-Hudson, NY, USA
A tranquil scene plays out as the gentle waters make their way downstream.
Canal
Charles river in the fall
A Bridge and Aqueduct on the C & O Canal Trail in Maryland
stone railway bridge over road
Waterfalls in Delaware township, hunterdon County n.j
On old railway bed in southwest Virginia has been transformed into a biking path through beautiful Appalachian scenery.  Here a new wooden bridge was built inside the frame of an old railroad trussel.
William's Bend Bridge, aka Rough Holler Bridge, is a historic steel truss bridge spanning the Pomme de Terre river near Hermitage, MO, United States, US. It was built in 1890.
water pollution
drone view of rosendale trestle passing over rondout creek at dusk (sunset, low light) old railroad bridge converted to bike, pedestrian path (cycling, biking, walking, jogging, walkill valley rail trail)
Some of the covered bridges of Ashtabula County, Ohio during peak fall season.
Old hydro dam with wooden logs in the outlet gates
Clinton, USA - October 29, 2023. Lamp by bridge in Clinton, New Jersey, USA
Dam machinery at the old Collins axe factory on the Farmington River in the Collinsville section of Canton, Connecticut.
Morgantown, West Virginia, USA - November 25, 2023: A couple walks along the Caperton Trail as it crosses Deckers Creek on a railroad trestle on a sunny, cold afternoon.
Free Images: "bestof:Signage - Farmington Canal Aqueduct - Farmington, CT - DSC02147.JPG en Remains of the Farmington Canal Aqueduct over the Farmington River in Farmington"
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