It is not easy to answer that question because there are many criteria for it. The main ones are “how beautiful is the campus?” and “How good do you want your degree to be?”.
Depending on what you want, here are some universities which come out as best fits:
1.- – University of California, Los Angeles (UCLA)
Locations: Los Angeles, CA; Santa Barbara, CA; Santa Cruz, CA
As you can judge by taking a look at the images of this gallery which contains pictures of their respective campuses , all of them are beautiful. Furthermore there is also the California Institute of Technology (Caltech), located in Pasadena with a campus that is very similar to a little paradise.
2.- – University of Illinois at Urbana–Champaign
Locations: Champaign/Urbana, IL; Chicago, IL
As you can see in the pictures from the gallery , it also has a beautiful campus especially due to its location on top of a hill.
3.- – University of Michigan (U-M)
Locations: Ann Arbor, MI; Dearborn, MI; Flint, MI; East Lansing, MI; Kakima, WA
4.- – Cornell University
Locations: Ithaca and New York City, NY
5.- – University of California, Berkeley
Locations: Berkeley, CA
Like most universities with beautiful campuses , this one has a river flowing through it.
6.- – Stanford University Located in sunny Palo Alto, it is full of Spanish Colonial Revival architecture. The main quad is huge and majestic . It’s really breathtaking.
Here are some examples of what you can see in their respective galleries :
(1) UCLA. https://www.behance.net/gallery/Full-Tour-of-UCLA-Campus/1568721
(2) University of Illinois at Urbana–Champaign . http://theresabrunn.com/uncategorized/campus-guide-to-the-university-of-illinois-at-urbana-champaign/
(3) University of Michigan (U–M) https://www.flickr.com/photos/umichdpf/albums
(4) Cornell University http://cornell.ell.edu/images/photogallery.php
(5) University of California, Berkeley http://www.berkeleyside.com/photo/galleries-university-california-photos
(6) Stanford University https://flic.kr/s/aHskhCJefR , https://flic.kr/s/aHskjQ9rD9 , https://flic.kr/p/md6FbR , and https://flic.kr/p/md6FxG .
There is also another alternative: “how much money do you want to spend?”. In this case, Yale is the best choice.
That’s all for now! Have a nice day!