Answer: "High point" and "low point" synonyms

[whymzycal.livejournal.com]

What are different "high point" and "low point" synonyms, and how can you tell the difference?

Unfortunately, since I’m not well versed in Greek and Latin roots—which would make identifying “high point” and “low point” synonyms much easier—I’ve got to look things up. Lucky for me, dictionary.com’s thesaurus function makes it easy to find synonyms for any word.

( To the synonyms! With examples from Supernatural and Saiyuki. )