Our plane on arrival at Washington Dulles International Airport (IAD). We had to queue for 90 minutes to get through immigration but at least our ESTAs (visa substitute for people from more prosperous countries) worked and once we got to the desk, we were handled quickly.
Timestamp error
For anyone interested in fine detail, note that I forgot to change the date in my camera so the timestamps on this image and all those of July 12 and 13 are +5 hours more than actual local time.

User:Courcelles about the only Wikipedian I identified apart from those I knew from London wikimeets.

Sculpted head of Ingrid Bergman by Calder Brannock inserted into a former police call box on the corner of H Street Northwest and 21st Street North West immediately outside the Lisner Auditorium. GW and Foggy Bottom History page. Call Box Project. Google street view dated 2009 shows just an hole where the head now appears.

Description of the Ingrid Bergman image.

H Street NW between 22nd Street NW and 23rd Street NW

See also Segway in St. Petersburg, Russia and not a Segway at the local airport

Two guys on the White House roof. Looks like a telescope rather than a weapon.

The 51st State bar, 2512 L Street North­west near junction with Penn­sylvania Avenue

Even in cities, telephone distribution is still overhead - at least in this corner where there is space at the back of buildings

the Potomac, Washington, DC

the Pacific Ocean, Palisades del Rey, below the flight paths of Los Angeles International Airport

the Hudson, Ardsley-on-Hudson, NY. See message cast into the plate at the bottom of the photo.

but not directly to the Chicago River thanks to …

TARP Drop Shaft No. DS-M57

Fencing is labelled "Long Fence". I think that is a company name.

On 2012 Jun 29 Washington experienced a severe storm, classified as a derecho. See this news story. I assume these fallen branches are remnants of that storm.

I would save the Union.
My paramount object in this struggle is to save the Union, and is not either to save or to destroy slavery.
If I could save the Union without freeing any slave I would do it, and if I could save it by freeing all the slaves I would do it; and if I could save it by freeing some and leaving others alone I would also do that.
Lincoln's letter to Horace Greeley

These guys reminded me of some even more monumental ones that I had seen in Helsinki.

These boxes have the names of news agencies. I think they are perm­anent connection points for when inter­views are being recorded.

The fire hydrant appears to have a radio antenna on it.

Sphere No. 6 (Sphere within a Sphere), (1963-1965) by Arnaldo Pomodoro in the Hirschhorn Garden.

Sphere with Sphere (1982-83) by Arnaldo Pomodoro in the grounds of Trinity College, Dublin. See this page for two more Pomodoro links and the rest of our Ireland trip.

Note the curved sounding board over the ministers' gallery. Compare with Brooklyn.

Compare with "no dumping" photos in other parts of the USA. Historically Chicago probably had worse problems than other cities. They built the Chicago Sanitary and Ship Canal to divert the sewage to the Mississippi instead of dumping it in Lake Michigan. It is still not fully cleaned up - see this 2016 article in the Chicago tribune.

Roger explains his problems to Dr. Bob Hartley.

Clearly the building was designed as a music school

Reynolds, Gainsborough and Turner are household names but Kanaoka? Why does his name appear on the frieze - the institute does not appear to have any of his works. Kose Kanaoka is a distinctly obscure ninth century Japanese artist.

Carbon filament lightbulbs in the entrance hall of the Institute

The original trading room of the Chicago Stock Exchange has been re­constructed here.

America Windows, 1977, Marc Chagall

The Drinkers, 1890, Vincent van Gogh.

Picture of Dorian Gray, 1943-1944, Ivan Albright. Used in the 1945 movie version of the story. Shot primarily in black-and-white, the film features two inserts in 3-strip Technicolor one of this painting and the other of the portrait in its original state.

Nighthawks, 1942, Edward Hopper. Within months of its completion, it was sold to the Art Institute for a mere $3,000.

American Gothic. Right beside it hangs …

Originally this railroad ran beside Lake Michigan. Then Grant Park was created on land reclaimed from the lake and the Art Institute was extended over the railroad into part of the park.