Frank Kehren's photostream Pro User

Preston Bradley Hall with 11.6m Tiffany glass dome, Chicago Cultural Center (1897), 78 East Washington Street, Chicago, Illinois

en.wikipedia.org/wiki/Chicago_Cultural_Center

St. Charles Airline Bridge (1919), Chicago, Illinois

The St. Charles Air Line Bridge is a Strauss Trunnion bascule bridge which spans the Chicago River in Chicago, Illinois.
Built as part of the St. Charles Air Line Railroad by the American Bridge Company in 1919, the bridge originally had a span of 79m. This bridge held the world record for longest bascule-type span until 1930, when it was shortened to 67m during a relocation as a result of straightening the river channel. The chief design engineer of the original bridge was Leonard O. Hopkins.

en.wikipedia.org/wiki/St._Charles_Air_Line_Bridge
www.loc.gov/pictures/search/?q=Photograph:%20il0837&f...

Flamingo, Federal Plaza, South Dearborn Street, Chicago, Illinois

The Flamingo sculpture is 16m tall and was created by Alexander Calder in 1973.

en.wikipedia.org/wiki/Flamingo_(sculpture)

Washington Street entrance to Chicago Cultural Center (1897), Preston Bradley Hall with 11.6m Tiffany glass dome, 78 East Washington Street, Chicago, Illinois

en.wikipedia.org/wiki/Chicago_Cultural_Center

Brandenburger Tor (1791), Pariser Platz, Berlin

The Brandenburg Gate is a former city gate and one of the main symbols of Berlin and Germany. The gate is the monumental entry to Unter den Linden, the renowned boulevard of linden trees which formerly led directly to the city palace of the Prussian monarchs.
After Prussia lost the war against France in 1806, Napoleon took the Quadriga to Paris. It was returned to Berlin after Prussia occupied Paris in 1814.

en.wikipedia.org/wiki/Brandenburg_Gate