Front page pictures: Courtesy of Sarah McCaslin, except for the goose picture. That's Ahmed Hamed's work.

Ohio State University:

I pulled the tuition cost from my personal cost, retrieved by my BuckeyeLink account. 

Pictures are from https://www.osu.edu/downloads/images.html ; pictures 02, 04, 09, 13 (from left to right).

Case Western Reserve University:

Cost is from http://financialaid.case.edu/undergraduate/cost/ 

Pictures from https://www.case.edu/umc/media-relations/images-video/

Cornell University:

Cost from http://finaid.cornell.edu/cost-attend

Pictures from http://www.news.cornell.edu/picture-cornell/2015-year-pictures

Georgia Tech:

Cost from 

Picture from https://en.wikipedia.org/wiki/Georgia_Tech_main_campus#/media/File:Tech_Tower_and_skyline.jpg by Ted Miles

Yale University:

Cost from https://publichealth.yale.edu/admissions/finaid/mph/tuition.aspx

Pictures from http://news.yale.edu/photos/images-yale-campus

MIT:

Cost from http://sfs.mit.edu/financial-aid-mit

Picture from By DrKenneth - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=10234955

Universität Heidelberg:

Cost from http://www.uni-heidelberg.de/courses/prospective/fees/index.html

Pictures from http://www.uni-heidelberg.de/uniarchiv/bestaende/galerie1.html

Technische Universität München:

Cost from https://www.tum.de/en/studies/fees-and-financial-aid/

Pictures from http://mediatum.ub.tum.de/?id=1232774