Closeup view of the steel framework of the historic Bainbridge Steel Dam near Ash Fork Arizona in the Kaibab National Forest. It was originally constructed in the late 1800s and is now a historic landmark that is open to the public.

View from inside the steel framework of the historic Bainbridge Steel Dam near Ash Fork Arizona in the Kaibab National Forest. It was originally constructed in the late 1800s and is now a historic landmark that is open to the public.

Closeup view of the steel framework of the historic Bainbridge Steel Dam near Ash Fork Arizona in the Kaibab National Forest. It was originally constructed in the late 1800s and is now a historic landmark that is open to the public.

View of Tokyo Tower from its base against blue sky, Shibakoen, Minato City, Tokyo, Honshu, Japan

Blaak Station, circular glass structure, Rotterdam, The Netherlands, Europe

Old steel bridge over the Ruki River, Mbuji Mayi, Eastern Kasai, Democratic Republic of Congo, Africa

View of Tokyo Tower from its base against blue sky, Shibakoen, Minato City, Tokyo, Honshu, Japan

Caps on old Tin mine shafts at St. Agnes in Cornwall, England, United Kingdom, Europe

Butcher's shop, hanging sign, Ribeauville, Alsace Wine Route, France, Europe

Half-timbered house, Gerber Quarter, Petite France, Strasbourg, Alsace, France, Europe

England, East Sussex, Brighton, West Pier ruin photographed from the Bedford square bandstand, known locally as the Birdcage.

England, East Sussex, Brighton, Ruined shell of the West Pier.