There is no special place for you to see all the albums from other users.
When you visit a profile's Photo-section you will see those albums that are shared either in Public or with circles you are in, or privately with you.
People can change their album settings any time.
Photos section in my profile
I have been circled by over 466 000 ...
I found the google API can provide a list of albums and provides an online way to run the command and print results using your live data.
Set excludeNonAppCreatedData to false.
Note the next page token required for further pages (next 50 items max, 20 items listed by default), it ...
Perform your search
Click on the check mark of the first photo so that it is selected
Scroll down to the bottom of the batch of photos
While holding down the shift key, click the check mark of the last photo
Now all of the photos are selected
Up to 500; if you have more than that you may need to do this multiple times
Click the + at the top of the screen ...
Here's an update (for the current state of Google Photos) to user79865's answer ...
The list of all albums
Executed on the page https://photos.google.com/albums, this script returns a string that can be copy-pasted to a Google Sheet, creating a table of names and URLs.
var links = document.getElementsByTagName('A');
var s = '';
for (var i = 0; i < ...
You could chose to 'Share' the album to your group page (page you manage).
Go to Photos on your main page.
Open the album you would like to share.
Got to the end of the album and click on 'share'.
Choose 'Share on a page you manage'.
Click on 'Post'.
according to a help article located at https://help.imgur.com/hc/en-us/articles/203921555-How-do-I-add-an-existing-image-to-an-existing-album you may add an existing image to an existing album or to a new album. Please note that you can also share your album via link or HTML embed code using "Share this Album" section located on your right.
I am not yet ...