The Innocents Abroad (the comfort zone)

Twain's fellow pilgrims spent a lot of time outside their comfort zone whilst on their journey 𝒇𝒐𝒓 𝒕𝒉𝒆 𝒔𝒂𝒌𝒆 𝒐𝒇 𝒕𝒉𝒆 𝒆𝒙𝒑𝒆𝒓𝒊𝒆𝒏𝒄𝒆.

What is something outside of YOUR comfort zone that you'd do...for the sake of the experience?