Wikimedi'Òc

500px photo (132951465).jpeg - Rodrigo.Argenton

Trinity Test - Installation of Jumbo prior to the test.jpg - Pieter Kuiper

3MileIsland.jpg - Vanderdecken

Shukhov Tower near Nizhniy Novgorod photo by Tankist.jpg - TankistNN

East portal and abandoned portal of Hoosac Tunnel, circa 1908.jpg - Pi.1415926535

Adobe kilns from HABS.jpg - Finavon

Three Mile Island nuclear power plant.jpg - BetacommandBot

Beaune-le-Chaud fontaine 0802.jpg - Romary

Tower in Krasnodar photo by Yuriy Zaitsev.jpg - Yuriy Zaytsev

Bird BW P3231289.jpg - Donromano

CamdenDepot HABS pic1 cropped.jpg - Cropbot

Willow Beach Gaging Station.jpg - Acroterion

Bundesarchiv Bild 183-E0506-0004-002, Rheinsberg, Kernkraftwerk, Hochspannungsleitung.jpg - BArchBot

Bundesarchiv B 145 Bild-F041795-0009, Grevenbroich, Kraftwerk Frimmersdorf, Strommasten.jpg - Sebastian Wallroth

Bundesarchiv Bild 102-12901, Sachsen, Hochwasser.jpg - BArchBot

Trinity Test - 100 Ton Test - High Explosive Stack 001.jpg - Quibik

South Entrance Sign.jpg - Acroterion

P-51 Mustang in Full Scale Tunnel - GPN-2000-001248.jpg - BotMultichillT

SSFL SRE Facility 1958.jpg - Bomazi

Shukhov Oka Towers 1988 photo by Igor Kazus.jpg - Klamser

Pipe Spring National Monument, from east, 1940.jpg - BetacommandBot

Manitou Cliff Dwellings 1908.jpg - ALH

Rock Oven at Rock Oven Regional Park.jpg - Bulliver

Canon Ranch Railroad Eclipse Windmill.jpg - Nyttend

PSM V44 D681 Well by the wayside.jpg - Ineuw

Cooling tower, Michigan City, Indiana.jpg - File Upload Bot (Magnus Manske)

Crude-oil pipe stills, rundown tanks, and "Cat Crackers" at the Baton Rouge Esso Refinery, ca. 1945 - NARA - 535733.tif - US National Archives bot

Rocky Flats Plant - module K - X-Y retriever.jpg - Bomazi

Das Bim Häuschen.jpg - Judith Silberling

"Jumbo" atomic device being positioned for "Trinity" test at Alamogordo, New Mexico. - NARA - 558570.tif - US National Archives bot

Maryland, Germantown. Headquarters Christian Commission in the Field. - NARA - 533327.jpg - US National Archives bot

Mark Twain's house, front view. - NARA - 516527.jpg - US National Archives bot

Slag heap, tipple, and powerhouse of the mine. Clayton Coal Company, Morrison Mine, Eris, Weld County, Colorado - NARA - 540366.jpg - US National Archives bot

Tipple of the mine. Pluto Coal Mining Company, Pluto Mine, Boulder, Boulder County, Colorado. - NARA - 540472.jpg - US National Archives bot

Tipple. Turner Fuel Company, Darby Mine, Evarts, Harlan County, Kentucky. - NARA - 541397.jpg - US National Archives bot

Crude-oil pipe stills, rundown tanks, and "Cat Crackers" at the Baton Rouge Esso Refinery, ca. 1945 - NARA - 535733.jpg - US National Archives bot

Archaeology of Southwestern U.S., Cliff dwelling - NARA - 523842.jpg - US National Archives bot

Family burial ground, Ponemah Point - NARA - 285714.jpg - US National Archives bot

Photograph of Transmission Lines in Mojave Desert Leading from Boulder Dam, 1941 - NARA - 519839.jpg - US National Archives bot

Pachanga. Windmill and tank - NARA - 298629.jpg - US National Archives bot

Pechanga Reservation. Windmill and tank - NARA - 298630.jpg - US National Archives bot

Oliverhurst, Yuba County, California. Another of the 26 homes on Second Avenue. Family with three ch . . . - NARA - 521581.jpg - US National Archives bot

Shelby County, Iowa. Corn sealed in farm granaries under the Ever-Normal granary plan. - NARA - 522348.jpg - US National Archives bot

Shelby County, Iowa. Corn sealed in farm granaries under the Ever-Normal granary plan. - NARA - 522349.jpg - US National Archives bot

El Cerrito, San Miguel County, New Mexico. Details of walls and fences. - NARA - 521163.jpg - US National Archives bot

El Cerrito, San Miguel County, New Mexico. Details of walls and fences. - NARA - 521164.jpg - US National Archives bot

San Leandro, California. Greenhouse on nursery operated, before evacuation, by horticultural expert . . . - NARA - 536025.jpg - US National Archives bot

Manzanar Relocation Center, Manzanar, California. Guayule beds in the lath house at the Manzanar Re . . . - NARA - 538019.jpg - US National Archives bot

Manzanar Relocation Center, Manzanar, California. A view of section of the lath house at this War R . . . - NARA - 538033.jpg - US National Archives bot

Manzanar Relocation Center, Manzanar, California. Hospital boiler room. - NARA - 539546.jpg - US National Archives bot

CCC Camp BR-78 Orland Project, California, "Section of widened canal and concrete lining being done on Lateral 100." - NARA - 293571.jpg - US National Archives bot

Analogic vs Digital (2204827206).jpg - File Upload Bot (Magnus Manske)

Blue Mountain Tunnel viewed from Kittatinny Mountain Tunnel 1942.jpg - Dough4872

Laurel Hill Tunnel 1942.jpg - Dough4872

Photograph of Coupland Barn Near Mio Built with Forest Service Jack Pine - NARA - 2128930.tif - US National Archives bot

Photograph of Coupland Barn Near Mio Built with Forest Service Jack Pine - NARA - 2128930.jpg - US National Archives bot

La Border.jpg - ProtoplasmaKid

Chimney shadows (7679054560).jpg - File Upload Bot (Magnus Manske)

Wardley Chimney Stacks (7462159106).jpg - File Upload Bot (Magnus Manske)

" 09 - ITALY - Verona - Muro di giulietta - lettere a Giulietta - Dino Quinzani.jpg - Flickr upload bot

Reflexo (5541510522).jpg - File Upload Bot (Magnus Manske)

Inlet portal of Diversion Tunnel No. 3 - NARA - 293780.jpg - YiFeiBot

Inlet portal, Diversion Tunnel No. 4, showing bulkhead gate steel erected in structure - NARA - 293779.jpg - YiFeiBot

Inlet portals of Diversion Tunnels Nos. 3 and 4 showing diversion of river flow by temporary dike shown at right.... - NARA - 293767.jpg - YiFeiBot

2sitting@seewall(byElisabettaFoco).jpg - Tuvalkin

3men@tunnel(BW)byMartinWessely.JPG - Tuvalkin

VIEW OF WEST ELEVATION - Townsend Water Tower, Lattomus Avenue, Townsend, New Castle County, DE HAER DEL,2-TOWSE,1-2.tif - Fæ

Wilmington and Northern Railroad, Repair Shop, Beech Street, Wilmington, New Castle County, DE HAER DEL,2-WILM,34-10.tif - Fæ

Shukhov Tower 29 June 1921.jpg - Dmitry Ivanov

Shukhov Tower October 1921.jpg - Dmitry Ivanov

Subway in Budapest.jpg - Lazyliz23

Chimney (6697323809).jpg - Russavia

Washburn, TX.jpg - BigrTex

Barton St, Macclesfield, in imitation of Control grayscale.jpg - Daniel Case

Silhouettes In Black and White.jpg - Rich.lemonie

Cne bandshell south elevation 1937.jpg - Alaney2k

2011-05-05 Window cleaning IMG 6215.jpg - ПОКА ТУТ

WWII Norcon pillbox, Docking (geograph 2736259).jpg - Gaius Cornelius

Strategically vital water towers on high ground near Tripoli, Lebanon (12357258893).jpg - Shipjustgotreal

2016-02 Ligne de Petite Ceinture 07.jpg - 0x010C

2016-02 Ligne de Petite Ceinture 08.jpg - 0x010C

2016-02 Ligne de Petite Ceinture 11.jpg - 0x010C

Received 1st oil about May 10, 1911. (15012477686).jpg - Fæ

800,000 bbl. reinforced concrete Reservoir, Ebano, completed May, 1911. (15032456291).jpg - Fæ

Derivation de la Vanne. Reservoirs de Montrouge (10747443965).jpg - Fæ

Münster, LVM-Versicherung -- 2017 -- 6837 -- bw.jpg - XRay

Münster, LVM-Versicherung -- 2017 -- 6847 -- bw.jpg - XRay

Münster, LVM-Versicherung -- 2017 -- 6848 -- bw.jpg - XRay

19 century.jpg - Sumitrajput041

Portique à la Pointe Courte, Sète cf02.jpg - Christian Ferrer

Bilbao - Acceso estación Uribarri BT 03.jpg - Basotxerri

Bastille Grenoble tunnel.jpg - Spielvogel

Behind The Pines (36911964).jpeg - DarwIn

Bells (199058295).jpeg - Rodrigo.Argenton

Ramíris Assumpção (195306239).jpeg - Rodrigo.Argenton

Sète harbor silhouettes BW.jpg - Christian Ferrer

Krúsrak, brug over A7 (Sneek) (d.j.b.) 04.jpg - Famberhorst

Harbour of Sète and trawler BW.jpg - Christian Ferrer

Kokerei Zollverein Essen - kühltürme - by db3em.jpg - Eatcha

Singapore (SG), Marina Bay Street Circuit -- 2019 -- 4482 (bw).jpg - XRay

Singapore (SG), Marina Bay Street Circuit -- 2019 -- 4488 (bw).jpg - XRay

Permewans.jpg - Onomatopoeia1

14560506885 - Flickr - Christopher A. Dominic.jpg - Red panda bot

Deerfield River near the Hoosac Tunnel, circa 1908.jpg - Pi.1415926535

East portal of Hoosac Tunnel, circa 1908.jpg - Pi.1415926535

West portal of Hoosac Tunnel (1), circa 1908.jpg - Pi.1415926535

West portal of Hoosac Tunnel (2), circa 1908.jpg - Pi.1415926535

Suomenlinna, Kustaanmiekka - N85286 - hkm.HKMS000005-km0032g6.jpg - FinnaUploadBot

Koristeellinen aita ja portti Seurasaarentiellä - N204016 - hkm.HKMS000005-km003uby.jpg - FinnaUploadBot

Everything is old (20399854899).jpg - Siloepic

Münster, Gänseplastik am Humborgweg -- 2022 -- 0420 (bw).jpg - XRay

Münster, Kugel-Fisch-Brunnen -- 2022 -- 0428 (bw).jpg - XRay

Dikes in Frontignan BW.jpg - Christian Ferrer

Dülmen, Kirchspiel, ehem. Sondermunitionslager Visbeck, Laufgang -- 2022 -- 4391 (bw).jpg - XRay

Dülmen, Kirchspiel, ehem. Sondermunitionslager Visbeck, Laufgang -- 2022 -- 4461 (bw).jpg - XRay

Stary Dom Polski Jerusalem outside.jpg - Abraham

Skocznia narciarska w Wiśle 1932.jpg - Abraham

Koivukosken tuulimylly 1928 (KK3490-4148).tif - FinnaUploadBot

Dülmen, Jubiläumsbrunnen -- 2024 -- 0095 (bw).jpg - XRay