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Lock gate at Gota canal in Sweden on a beautiful sunny summer day with lush green trees along the river bank
I-90 and Lewis and Clark Memorial Bridge in Chamberlain, South Dakota, USA.
A view of a small pond in Maine taken in the early morning light from shore.
Pearl River off the Natchez Trace Parkway, Mississippi
The beautiful lake in the countryside on a sunny day.
Lake at sunset in Hwange National Park, Zimbabwe. Africa
Creek in early spring with foliage turning green and red bench on the bank
Fall color foliage hits Ashtabula County, Ohio.
Muddy river in the forest after rains
Tigre is a weekend destination for people of Greater Buenos Aires.
Lake of Ozark
17/Feb/2023 Stratford Canal Nr. Stratford upon Avon England UK. View from the towpath. Autumn. View of narrow boat. No people in picture.
There are plants  on bank of a lake
Uusikaupunki, Finland- June 21, 2022: Summer view from boat and yacht harbor of Uusikaupunki, Finland. Uusikaupunki is a small seaside town in Southwest Finland.
Rainy season in the Amazon region
Beautiful landscape view in the wetland, China
Drone photography of small dam, waterfall and bridge over it during sunny spring day
Tarr Steps is a 55 metre long clapper bridge of 17 spans, across the River Barle. The bridge is probably medieval in origin, possibly formalising an earlier prehistoric crossing place.
Entering Lock and Dam No 11 on Upper Mississippi River near Dubuque
Summe at lake Baldeneysee in Essen, Ruhr area. View from dam in Werden.
Castlewood SP - Kiefer Creek Channel Splits in Two
Calm morning image of the Thames River in southern Ontario, Canada
Wetland Ponds Along the Mississippi River Near Clinton, Iowa
Scenery of Lake Lanier, Lanier Islands, Georgia, USA
Calm water of  Potomac River near Washington, D.C., on a cloudy day. in United States, District of Columbia, Washington
beautiful summer day at the pond
The Enkheimer Ried nature reserve in the east of the Frankfurt district of Bergen-Enkheim
Scenery at, Balmoral Mills, Northumberland Shore, Nova Scotia, Canada
View of the Steinhuder Meer near Hanover in Lower Saxony. Landscape at the lake with the surrounding nature.
Dallas, Texas, USA, July 19, 2014 - Sailboats are moored at a dock at the popular White Rock Lake
Free Images: "bestof:Campground at Swains Lock.jpg en Campground at Swain's Lock on the Chesapeake and Ohio Canal Potomac River in background Little creek in foreground is outflow"
Eastern-lock-of-the-Chesapeake-and-Delaware-Canal.jpg
Plaskett creek campground.jpg
Plaskett creek campground sunset with ocean and clouds.jpg
lock-canal-water-boat-travel-1416873.jpg
Chesapeake-and-Ohio-Canal.jpg
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Camden-Lock-in-London.jpg
Big sur campground stream flowing through trees.jpg
camden-town-canal-boats-camden-1509616.jpg
Dolly-Sods-Wilderness-West-Virginia.jpg
Green branches in the foreground the river in the background.jpg
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Chincoteague-Virginia.jpg
Lockett_Meadow.jpg
Emily_Dickinson's_Hair.jpg
Knoll_Lake.jpg
Knoll_Lake.jpg
Becharof National Wildlife Refuge,Alaska.jpg
Pont des Arts and the Louvre, Paris July 2013.jpg
5_B&O_Passenger_Trains,_Photos_by_Roger_Puta.jpg
Corps_honors_150_Anniversary_with_canoe_voyage_down_Upper_Mississippi_River.jpg
A weir on the Thames Teddington London.jpg
South National Mall Washington DC 1863.jpg
Chesapeake_and_Ohio_Canal_National_Historical_Park_(map).svg
Ben_Salem_Lock_Maury_River.jpg
DePere_Lock_&_Dam_VIEW_NORTHWEST,_lower_gate_of_lock.jpg
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John_Constable_-_The_Lock.jpg
John_Constable_A_Boat_Passing_a_Lock.jpg
John_Constable_-_The_Lock_(second_Foster_version).jpg
Illinois_&_Michigan_Canal,_Locks_&_Lockhouse.jpg
Map of Chesapeake and Ohio Canal Terminus at Cumberland Maryland in mid 1890s.svg
BSicon LOCK1u.svg
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No_5_Seneca_Creek_Aqueduct._1882.jpg
Eagle_Creek_Ranger_Station.jpg
Free-to-read lock 75.svg
Aerial_view_of_Holt_Lock_&_Dam_-_02.jpg
Dredging_operations_in_Potomac_River_-_1930.jpg
SLNSW 30576 Hexham Bridge air lock.jpg
SLNSW 30573 Hexham Bridge air lock.jpg
SLNSW 30575 Hexham Bridge air lock.jpg
Warwick Bar stop lock.svg
Aerial_view_of_Holt_Lock_&_Dam_and_power_plant_-_01.jpg
Aerial_view_of_Holt_Lock_&_Dam_and_Power_Plant_-_03.jpg
SLNSW 43088 Crowd listening to the Melbourne Cup broadcast outside Swains Bookstore in Pitt Street Sydney.jpg
SLNSW 8600 Mouth of Blacks Creek and Morewell River Mirboo East.jpg
Blue Hole, Flood Waters, Little Miami River, by Robert S. Duncanson, 1851, oil on canvas - Cincinnati Art Museum - DSC04597.JPG
SLNSW 28429 Silent cops sic at Cooks River Road and Ricketty Street St Peters Princes Highway and Canal Road.jpg
John_Constable_-_Study_of_A_boat_passing_a_lock_-_Google_Art_Project.jpg
Closed Access logo transparent.svg
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The_royal_yacht_'Royal_Escape'.jpg
Open Access logo PLoS transparent.svg
George_Armstrong_Custer_and_Elizabeth_Bacon_Custer_-_Brady-Handy.jpg
Elizabeth Bacon Custer - Brady-Handy.jpg
Julien Dubuque Bridge 066951pr.jpg
Swine flu infection exponent by county June 2009.svg
Campground at Swains Lock.jpg
Potomac River at Williamsport MD.jpg
Dam No. 8 and Guard lock 8, looking at Potomac and Wills Creek at End of C and O Canal.jpg
Goose Creek Lock from Chesapeake and Ohio Canal entering Potomac River.jpg
Waste Weir outflow at Swains Lock (No. 21).jpg
Goose Creek lock bottom gate.jpg
Goose Creek lock middle gate.jpg
Tidewater lock, downstream (outlet) gate pocket detail.jpg
Cumberland Basin looking at Guard Lock 8.jpg
Goose Creek lock top gate converted to waste weir.jpg
Cumberland Basin looking North.jpg
Swains Lock 21 Chesapeake and Ohio Canal in 2015.jpg
Shenandoah River Lock on Chesapeake and Ohio Canal.jpg
Goose Creek River Lock inlet mule bridge over Towpath on Chesapeake and Ohio Canal.jpg
Inlet Lock No 2 Detail Chesapeake and Ohio Canal.jpg
Goose Creek River Lock Mule Access bridge seen from Towpath on Chesapeake and Ohio Canal.jpg
C and O Tidewater lock and Potomac River.jpg
Goose Creek River Lock Mule Access bridge seen from Towpath looking downstream on Chesapeake and Ohio Canal.jpg
Lock 21 Swains Lock.jpg
Lock 21 Swains bypass flume lock and waste weir.jpg
Lock 33 Harpers Ferry in Summer.jpg
22 Mile Marker (Note modern NPS marker) and Lock 23 Violettes Lock on Chesapeake and Ohio Canal.jpg
Lock 13 under American Legion Bridge.jpg
Mule Drink or Informal Overflow on C and O Canal.jpg
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