[m463]

What a fascinating way to learn:

https://en.wikipedia.org/wiki/Semester_at_Sea

"During the semester the ship circumnavigates the globe"...

[mc32]

Different and interesting but a full college program is the 30-student Deep Springs College. For such a small institution it has an interesting list of graduates.

[1] https://en.m.wikipedia.org/wiki/Deep_Springs_College