In recent decades, trips to Poland for 11th graders have become de rigueur in high schools in middle class communities.
There are many elements which make the High Holy Days a unique experience. Often, congregations swell to double or triple their usual size, the musical settings of even common liturgy are different, and some might alter their dress by wearing either traditionally all-white garments or more formal wear than they would sport on Shabbat. Some congregations even have unique garments to dress their Torah scrolls in white.
Although we may think time moves in a linear fashion, Jewish holidays insert themselves in unexpected moments and places, seemingly out-of-sync with our expectations.